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Fix fullscreen layout stacking issue when using multiple regions.
[spectrwm.git] / spectrwm.c
index 1522296..3b11992 100644 (file)
@@ -387,7 +387,7 @@ char                *bar_fonts;
 XftColor        bar_font_color;
 struct passwd  *pwd;
 char           *startup_exception;
-unsigned int   nr_exceptions = 0;
+unsigned int    nr_exceptions = 0;
 
 /* layout manager data */
 struct swm_geometry {
@@ -577,6 +577,8 @@ union arg {
 #define SWM_ARG_ID_CYCLERG_DOWN        (43)
 #define SWM_ARG_ID_CYCLEWS_UP_ALL      (44)
 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL    (45)
+#define SWM_ARG_ID_CYCLEWS_MOVE_UP     (46)
+#define SWM_ARG_ID_CYCLEWS_MOVE_DOWN   (47)
 #define SWM_ARG_ID_STACKINC    (50)
 #define SWM_ARG_ID_STACKDEC    (51)
 #define SWM_ARG_ID_SS_ALL      (60)
@@ -610,6 +612,8 @@ struct quirk {
 #define SWM_Q_XTERM_FONTADJ    (1<<3)  /* adjust xterm fonts when resizing */
 #define SWM_Q_FULLSCREEN       (1<<4)  /* remove border */
 #define SWM_Q_FOCUSPREV                (1<<5)  /* focus on caller */
+#define SWM_Q_NOFOCUSONMAP     (1<<6)  /* Don't focus on window when mapped. */
+#define SWM_Q_FOCUSONMAP_SINGLE        (1<<7)  /* Only focus if single win of type. */
 };
 TAILQ_HEAD(quirk_list, quirk);
 struct quirk_list              quirks = TAILQ_HEAD_INITIALIZER(quirks);
@@ -707,12 +711,15 @@ struct cursors {
        {"top_right_corner", XC_top_right_corner, XCB_CURSOR_NONE},
 };
 
+#define        SWM_SPAWN_OPTIONAL              0x1
+
 /* spawn */
 struct spawn_prog {
        TAILQ_ENTRY(spawn_prog) entry;
        char                    *name;
        int                     argc;
        char                    **argv;
+       int                     flags;
 };
 TAILQ_HEAD(spawn_list, spawn_prog);
 struct spawn_list              spawns = TAILQ_HEAD_INITIALIZER(spawns);
@@ -826,8 +833,10 @@ enum keyfuncid {
        KF_WS_22,
        KF_WS_NEXT,
        KF_WS_NEXT_ALL,
+       KF_WS_NEXT_MOVE,
        KF_WS_PREV,
        KF_WS_PREV_ALL,
+       KF_WS_PREV_MOVE,
        KF_WS_PRIOR,
        KF_DUMPWINS, /* MUST BE LAST */
        KF_INVALID
@@ -857,8 +866,7 @@ void         bar_print(struct swm_region *, const char *);
 void    bar_print_legacy(struct swm_region *, const char *);
 void    bar_replace(char *, char *, struct swm_region *, size_t);
 void    bar_replace_pad(char *, int *, size_t);
-char *  bar_replace_seq(char *, char *, struct swm_region *, size_t *,
-            size_t);
+char   *bar_replace_seq(char *, char *, struct swm_region *, size_t *, size_t);
 void    bar_setup(struct swm_region *);
 void    bar_title_name(char *, size_t, struct swm_region *);
 void    bar_toggle(struct swm_region *, union arg *);
@@ -928,6 +936,7 @@ struct ws_win       *get_pointer_win(xcb_window_t);
 struct ws_win  *get_region_focus(struct swm_region *);
 int     get_region_index(struct swm_region *);
 xcb_screen_t   *get_screen(int);
+int     get_screen_count(void);
 #ifdef SWM_DEBUG
 char   *get_stack_mode_name(uint8_t);
 #endif
@@ -961,7 +970,7 @@ void         maprequest(xcb_map_request_event_t *);
 void    motionnotify(xcb_motion_notify_event_t *);
 void    move(struct ws_win *, union arg *);
 void    move_step(struct swm_region *, union arg *);
-uint32_t name_to_pixel(const char *);
+uint32_t name_to_pixel(int, const char *);
 void    name_workspace(struct swm_region *, union arg *);
 void    new_region(struct swm_screen *, int, int, int, int);
 int     parsekeys(char *, unsigned int, unsigned int *, KeySym *);
@@ -1009,7 +1018,7 @@ int        setkeymapping(char *, char *, int);
 int     setlayout(char *, char *, int);
 void    setquirk(const char *, const char *, unsigned long);
 void    setscreencolor(char *, int, int);
-void    setspawn(const char *, const char *);
+void    setspawn(const char *, const char *, int);
 void    setup_ewmh(void);
 void    setup_globals(void);
 void    setup_keys(void);
@@ -1026,15 +1035,15 @@ void     sort_windows(struct ws_win_list *);
 void    spawn(int, union arg *, int);
 void    spawn_custom(struct swm_region *, union arg *, const char *);
 int     spawn_expand(struct swm_region *, union arg *, const char *, char ***);
-void    spawn_insert(const char *, const char *);
+void    spawn_insert(const char *, const char *, int);
 void    spawn_remove(struct spawn_prog *);
-void    spawn_replace(struct spawn_prog *, const char *, const char *);
+void    spawn_replace(struct spawn_prog *, const char *, const char *, int);
 void    spawn_select(struct swm_region *, union arg *, const char *, int *);
 void    stack_config(struct swm_region *, union arg *);
 void    stack_floater(struct ws_win *, struct swm_region *);
 void    stack_master(struct workspace *, struct swm_geometry *, int, int);
 void    store_float_geom(struct ws_win *, struct swm_region *);
-char *  strdupsafe(const char *);
+char   *strdupsafe(const char *);
 void    swapwin(struct swm_region *, union arg *);
 void    switchws(struct swm_region *, union arg *);
 void    teardown_ewmh(void);
@@ -1047,6 +1056,7 @@ void       unmap_window(struct ws_win *);
 void    updatenumlockmask(void);
 void    update_modkey(unsigned int);
 void    update_window(struct ws_win *);
+void    validate_spawns(void);
 int     validate_win(struct ws_win *);
 int     validate_ws(struct workspace *);
 /*void  visibilitynotify(xcb_visibility_notify_event_t *);*/
@@ -1055,8 +1065,8 @@ pid_t      window_get_pid(xcb_window_t);
 void    wkill(struct swm_region *, union arg *);
 void    workaround(void);
 void    xft_init(struct swm_region *);
-void   _add_startup_exception(const char *, va_list);
-void   add_startup_exception(const char *, ...);
+void    _add_startup_exception(const char *, va_list);
+void    add_startup_exception(const char *, ...);
 
 RB_PROTOTYPE(key_tree, key, entry, key_cmp);
 RB_GENERATE(key_tree, key, entry, key_cmp);
@@ -1182,6 +1192,19 @@ get_screen(int screen)
 }
 
 int
+get_screen_count(void)
+{
+       const xcb_setup_t       *r;
+
+       if ((r = xcb_get_setup(conn)) == NULL) {
+               DNPRINTF(SWM_D_MISC, "get_screen_count: xcb_get_setup\n");
+               check_conn();
+       }
+
+       return xcb_setup_roots_length(r);
+}
+
+int
 get_region_index(struct swm_region *r)
 {
        struct swm_region       *rr;
@@ -1275,7 +1298,7 @@ setup_ewmh(void)
        for (i = 0; i < LENGTH(ewmh); i++)
                ewmh[i].atom = get_atom_from_string(ewmh[i].name);
 
-       num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
+       num_screens = get_screen_count();
        for (i = 0; i < num_screens; i++) {
                /* Support check window will be created by workaround(). */
 
@@ -1299,7 +1322,7 @@ teardown_ewmh(void)
 
        sup_check = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
        sup_list = get_atom_from_string("_NET_SUPPORTED");
-       num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
+       num_screens = get_screen_count();
 
        for (i = 0; i < num_screens; i++) {
                /* Get the support check window and destroy it */
@@ -1648,7 +1671,7 @@ find_pid(pid_t pid)
 }
 
 uint32_t
-name_to_pixel(const char *colorname)
+name_to_pixel(int sidx, const char *colorname)
 {
        uint32_t                        result = 0;
        char                            cname[32] = "#";
@@ -1658,7 +1681,7 @@ name_to_pixel(const char *colorname)
        xcb_alloc_named_color_reply_t   *nr;
        uint16_t                        rr, gg, bb;
 
-       screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
+       screen = get_screen(sidx);
        cmap = screen->default_colormap;
 
        /* color is in format rgb://rr/gg/bb */
@@ -1700,15 +1723,15 @@ setscreencolor(char *val, int i, int c)
 {
        int     num_screens;
 
-       num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
+       num_screens = get_screen_count();
        if (i > 0 && i <= num_screens) {
-               screens[i - 1].c[c].pixel = name_to_pixel(val);
+               screens[i - 1].c[c].pixel = name_to_pixel(i - 1, val);
                free(screens[i - 1].c[c].name);
                if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
                        err(1, "strdup");
        } else if (i == -1) {
                for (i = 0; i < num_screens; i++) {
-                       screens[i].c[c].pixel = name_to_pixel(val);
+                       screens[i].c[c].pixel = name_to_pixel(0, val);
                        free(screens[i].c[c].name);
                        if ((screens[i].c[c].name = strdup(val)) == NULL)
                                err(1, "strdup");
@@ -1751,7 +1774,7 @@ custom_region(char *val)
        int                             sidx, num_screens;
        xcb_screen_t                    *screen;
 
-       num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
+       num_screens = get_screen_count();
        if (sscanf(val, "screen[%d]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
                errx(1, "invalid custom region, "
                    "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
@@ -1979,7 +2002,7 @@ bar_urgent(char *s, size_t sz)
        for (i = 0; i < workspace_limit; i++)
                urgent[i] = 0;
 
-       num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
+       num_screens = get_screen_count();
        for (i = 0; i < num_screens; i++)
                for (j = 0; j < workspace_limit; j++)
                        TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
@@ -2229,7 +2252,7 @@ bar_draw(void)
        /* expand the format by first passing it through strftime(3) */
        bar_fmt_expand(fmtexp, sizeof fmtexp);
 
-       num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
+       num_screens = get_screen_count();
        for (i = 0; i < num_screens; i++) {
                TAILQ_FOREACH(r, &screens[i].rl, entry) {
                        if (r->bar == NULL)
@@ -2333,7 +2356,7 @@ bar_toggle(struct swm_region *r, union arg *args)
        }
 
        /* update bars as necessary */
-       num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
+       num_screens = get_screen_count();
        for (i = 0; i < num_screens; i++)
                TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
                        if (tmpr->bar) {
@@ -2539,7 +2562,8 @@ bar_setup(struct swm_region *r)
        r->bar->id = xcb_generate_id(conn);
        wa[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
        wa[1] = r->s->c[SWM_S_COLOR_BAR_BORDER_UNFOCUS].pixel;
-       wa[2] = XCB_EVENT_MASK_EXPOSURE;
+       wa[2] = XCB_EVENT_MASK_EXPOSURE | XCB_EVENT_MASK_POINTER_MOTION |
+           XCB_EVENT_MASK_POINTER_MOTION_HINT;
 
        xcb_create_window(conn, XCB_COPY_FROM_PARENT, r->bar->id, r->s->root,
            X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar),
@@ -2817,7 +2841,7 @@ unmap_all(void)
        struct ws_win           *win;
        int                     i, j, num_screens;
 
-       num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
+       num_screens = get_screen_count();
        for (i = 0; i < num_screens; i++)
                for (j = 0; j < workspace_limit; j++)
                        TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
@@ -2912,7 +2936,7 @@ root_to_region(xcb_window_t root, int check)
 
        DNPRINTF(SWM_D_MISC, "root_to_region: window: 0x%x\n", root);
 
-       num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
+       num_screens = get_screen_count();
        for (i = 0; i < num_screens; i++)
                if (screens[i].root == root)
                        break;
@@ -2964,7 +2988,7 @@ find_unmanaged_window(xcb_window_t id)
        struct ws_win           *win;
        int                     i, j, num_screens;
 
-       num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
+       num_screens = get_screen_count();
        for (i = 0; i < num_screens; i++)
                for (j = 0; j < workspace_limit; j++)
                        TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
@@ -2981,7 +3005,7 @@ find_window(xcb_window_t id)
        int                     i, j, num_screens;
        xcb_query_tree_reply_t  *r;
 
-       num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
+       num_screens = get_screen_count();
        for (i = 0; i < num_screens; i++)
                for (j = 0; j < workspace_limit; j++)
                        TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
@@ -3076,7 +3100,7 @@ kill_refs(struct ws_win *win)
        if (win == NULL)
                return;
 
-       num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
+       num_screens = get_screen_count();
        for (i = 0; i < num_screens; i++)
                TAILQ_FOREACH(r, &screens[i].rl, entry)
                        for (x = 0; x < workspace_limit; x++) {
@@ -3099,7 +3123,7 @@ validate_win(struct ws_win *testwin)
        if (testwin == NULL)
                return (0);
 
-       num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
+       num_screens = get_screen_count();
        for (i = 0; i < num_screens; i++)
                TAILQ_FOREACH(r, &screens[i].rl, entry)
                        for (x = 0; x < workspace_limit; x++) {
@@ -3119,7 +3143,7 @@ validate_ws(struct workspace *testws)
        int                     i, x, num_screens;
 
        /* validate all ws */
-       num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
+       num_screens = get_screen_count();
        for (i = 0; i < num_screens; i++)
                TAILQ_FOREACH(r, &screens[i].rl, entry)
                        for (x = 0; x < workspace_limit; x++) {
@@ -3477,30 +3501,32 @@ cyclews(struct swm_region *r, union arg *args)
        union                   arg a;
        struct swm_screen       *s = r->s;
        int                     cycle_all = 0;
+       int                     move = 0;
 
        DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
            args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
 
        a.id = r->ws->idx;
+
        do {
                switch (args->id) {
+               case SWM_ARG_ID_CYCLEWS_MOVE_UP:
+                       move = 1;
+                       /* FALLTHROUGH */
                case SWM_ARG_ID_CYCLEWS_UP_ALL:
                        cycle_all = 1;
                        /* FALLTHROUGH */
                case SWM_ARG_ID_CYCLEWS_UP:
-                       if (a.id < workspace_limit - 1)
-                               a.id++;
-                       else
-                               a.id = 0;
+                       a.id = (a.id < workspace_limit - 1) ? a.id + 1 : 0;
                        break;
+               case SWM_ARG_ID_CYCLEWS_MOVE_DOWN:
+                       move = 1;
+                       /* FALLTHROUGH */
                case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
                        cycle_all = 1;
                        /* FALLTHROUGH */
                case SWM_ARG_ID_CYCLEWS_DOWN:
-                       if (a.id > 0)
-                               a.id--;
-                       else
-                               a.id = workspace_limit - 1;
+                       a.id = (a.id > 0) ? a.id - 1 : workspace_limit - 1;
                        break;
                default:
                        return;
@@ -3512,6 +3538,9 @@ cyclews(struct swm_region *r, union arg *args)
                if (!cycle_visible && s->ws[a.id].r != NULL)
                        continue;
 
+               if (move)
+                       send_to_ws(r, &a);
+
                switchws(r, &a);
        } while (a.id != r->ws->idx);
 }
@@ -3539,7 +3568,7 @@ focusrg(struct swm_region *r, union arg *args)
        int                     ridx = args->id, i, num_screens;
        struct swm_region       *rr = NULL;
 
-       num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
+       num_screens = get_screen_count();
        /* do nothing if we don't have more than one screen */
        if (!(num_screens > 1 || outputs > 1))
                return;
@@ -3563,7 +3592,7 @@ cyclerg(struct swm_region *r, union arg *args)
        struct swm_region       *rr = NULL;
        int                     i, num_screens;
 
-       num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
+       num_screens = get_screen_count();
        /* do nothing if we don't have more than one screen */
        if (!(num_screens > 1 || outputs > 1))
                return;
@@ -3966,7 +3995,7 @@ stack(void) {
 
        DNPRINTF(SWM_D_STACK, "stack: begin\n");
 
-       num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
+       num_screens = get_screen_count();
        for (i = 0; i < num_screens; i++) {
 #ifdef SWM_DEBUG
                j = 0;
@@ -4469,6 +4498,8 @@ max_stack(struct workspace *ws, struct swm_geometry *g)
                win = ws->focus_pending;
        else if (ws->focus)
                win = ws->focus;
+       else if (ws->focus_prev)
+               win = ws->focus_prev;
        else
                win = TAILQ_FIRST(&ws->winlist);
 
@@ -4541,7 +4572,7 @@ send_to_rg(struct swm_region *r, union arg *args)
        struct swm_region       *rr = NULL;
        union arg               a;
 
-       num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
+       num_screens = get_screen_count();
        /* do nothing if we don't have more than one screen */
        if (!(num_screens > 1 || outputs > 1))
                return;
@@ -4723,7 +4754,7 @@ get_win_name(xcb_window_t win)
                        free(r);
                        /* Use WM_NAME instead; no UTF-8. */
                        c = xcb_get_property(conn, 0, win, XCB_ATOM_WM_NAME,
-                               XCB_GET_PROPERTY_TYPE_ANY, 0, UINT_MAX);
+                           XCB_GET_PROPERTY_TYPE_ANY, 0, UINT_MAX);
                        r = xcb_get_property_reply(conn, c, NULL);
 
                        if (!r)
@@ -4735,7 +4766,7 @@ get_win_name(xcb_window_t win)
                }
                if (r->length > 0)
                        name = strndup(xcb_get_property_value(r),
-                                  xcb_get_property_value_length(r));
+                           xcb_get_property_value_length(r));
 
                free(r);
        }
@@ -5291,7 +5322,7 @@ resize(struct ws_win *win, union arg *args)
        int                     top = 0, left = 0, resizing;
        int                     dx, dy;
        xcb_cursor_t                    cursor;
-       xcb_query_pointer_reply_t       *xpr;
+       xcb_query_pointer_reply_t       *xpr = NULL;
        xcb_generic_event_t             *evt;
        xcb_motion_notify_event_t       *mne;
 
@@ -5321,6 +5352,12 @@ resize(struct ws_win *win, union arg *args)
 
        focus_flush();
 
+       /* It's possible for win to have been freed during focus_flush(). */
+       if (validate_win(win)) {
+               DNPRINTF(SWM_D_EVENT, "move: invalid win.\n");
+               goto out;
+       }
+
        switch (args->id) {
        case SWM_ARG_ID_WIDTHSHRINK:
                WIDTH(win) -= SWM_RESIZE_STEPS;
@@ -5377,7 +5414,7 @@ resize(struct ws_win *win, union arg *args)
 
        xcb_flush(conn);
        resizing = 1;
-       while ((evt = xcb_wait_for_event(conn)) && resizing) {
+       while (resizing && (evt = xcb_wait_for_event(conn))) {
                switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
                case XCB_BUTTON_RELEASE:
                        DNPRINTF(SWM_D_EVENT, "resize: BUTTON_RELEASE\n");
@@ -5440,6 +5477,12 @@ resize(struct ws_win *win, union arg *args)
                        break;
                default:
                        event_handle(evt);
+
+                       /* It's possible for win to have been freed above. */
+                       if (validate_win(win)) {
+                               DNPRINTF(SWM_D_EVENT, "move: invalid win.\n");
+                               goto out;
+                       }
                        break;
                }
                free(evt);
@@ -5449,7 +5492,7 @@ resize(struct ws_win *win, union arg *args)
                xcb_flush(conn);
        }
        store_float_geom(win,r);
-
+out:
        xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
        free(xpr);
        DNPRINTF(SWM_D_EVENT, "resize: done.\n");
@@ -5477,7 +5520,7 @@ move(struct ws_win *win, union arg *args)
        xcb_timestamp_t         timestamp = 0;
        int                     move_stp = 0, moving;
        struct swm_region       *r = NULL;
-       xcb_query_pointer_reply_t       *qpr;
+       xcb_query_pointer_reply_t       *qpr = NULL;
        xcb_generic_event_t             *evt;
        xcb_motion_notify_event_t       *mne;
 
@@ -5508,6 +5551,12 @@ move(struct ws_win *win, union arg *args)
 
        focus_flush();
 
+       /* It's possible for win to have been freed during focus_flush(). */
+       if (validate_win(win)) {
+               DNPRINTF(SWM_D_EVENT, "move: invalid win.\n");
+               goto out;
+       }
+
        move_stp = 0;
        switch (args->id) {
        case SWM_ARG_ID_MOVELEFT:
@@ -5550,7 +5599,7 @@ move(struct ws_win *win, union arg *args)
 
        xcb_flush(conn);
        moving = 1;
-       while ((evt = xcb_wait_for_event(conn)) && moving) {
+       while (moving && (evt = xcb_wait_for_event(conn))) {
                switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
                case XCB_BUTTON_RELEASE:
                        DNPRINTF(SWM_D_EVENT, "move: BUTTON_RELEASE\n");
@@ -5572,6 +5621,12 @@ move(struct ws_win *win, union arg *args)
                        break;
                default:
                        event_handle(evt);
+
+                       /* It's possible for win to have been freed above. */
+                       if (validate_win(win)) {
+                               DNPRINTF(SWM_D_EVENT, "move: invalid win.\n");
+                               goto out;
+                       }
                        break;
                }
                free(evt);
@@ -5581,6 +5636,7 @@ move(struct ws_win *win, union arg *args)
                xcb_flush(conn);
        }
        store_float_geom(win, r);
+out:
        free(qpr);
        xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
        DNPRINTF(SWM_D_EVENT, "move: done.\n");
@@ -5717,8 +5773,10 @@ struct keyfunc {
        { "ws_22",              switchws,       {.id = 21} },
        { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
        { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
+       { "ws_next_move",       cyclews,        {.id = SWM_ARG_ID_CYCLEWS_MOVE_UP} },
        { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
        { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
+       { "ws_prev_move",       cyclews,        {.id = SWM_ARG_ID_CYCLEWS_MOVE_DOWN} },
        { "ws_prior",           priorws,        {0} },
        { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
        { "invalid key func",   NULL,           {0} },
@@ -5925,7 +5983,7 @@ spawn_select(struct swm_region *r, union arg *args, const char *spawn_name,
 }
 
 void
-spawn_insert(const char *name, const char *args)
+spawn_insert(const char *name, const char *args, int flags)
 {
        char                    *arg, *cp, *ptr;
        struct spawn_prog       *sp;
@@ -5954,6 +6012,8 @@ spawn_insert(const char *name, const char *args)
        }
        free(cp);
 
+       sp->flags = flags;
+
        TAILQ_INSERT_TAIL(&spawns, sp, entry);
        DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
 }
@@ -5976,18 +6036,7 @@ spawn_remove(struct spawn_prog *sp)
 }
 
 void
-spawn_replace(struct spawn_prog *sp, const char *name, const char *args)
-{
-       DNPRINTF(SWM_D_SPAWN, "spawn_replace: %s [%s]\n", sp->name, name);
-
-       spawn_remove(sp);
-       spawn_insert(name, args);
-
-       DNPRINTF(SWM_D_SPAWN, "spawn_replace: leave\n");
-}
-
-void
-setspawn(const char *name, const char *args)
+setspawn(const char *name, const char *args, int flags)
 {
        struct spawn_prog       *sp;
 
@@ -5996,38 +6045,31 @@ setspawn(const char *name, const char *args)
        if (name == NULL)
                return;
 
-       TAILQ_FOREACH(sp, &spawns, entry) {
+       /* Remove any old spawn under the same name. */
+       TAILQ_FOREACH(sp, &spawns, entry)
                if (!strcmp(sp->name, name)) {
-                       if (*args == '\0')
-                               spawn_remove(sp);
-                       else
-                               spawn_replace(sp, name, args);
-                       DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
-                       return;
+                       spawn_remove(sp);
+                       break;
                }
-       }
-       if (*args == '\0') {
+
+       if (*args != '\0')
+               spawn_insert(name, args, flags);
+       else
                warnx("error: setspawn: cannot find program: %s", name);
-               return;
-       }
 
-       spawn_insert(name, args);
        DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
 }
 
 int
 setconfspawn(char *selector, char *value, int flags)
 {
-       char *args;
-
-       /* suppress unused warning since var is needed */
-       (void)flags;
+       char            *args;
 
        args = expand_tilde(value);
 
        DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, args);
 
-       setspawn(selector, args);
+       setspawn(selector, args, flags);
        free(args);
 
        DNPRINTF(SWM_D_SPAWN, "setconfspawn: done.\n");
@@ -6035,20 +6077,57 @@ setconfspawn(char *selector, char *value, int flags)
 }
 
 void
+validate_spawns(void)
+{
+       struct spawn_prog       *sp;
+       char                    which[PATH_MAX];
+       size_t                  i;
+
+       struct key              *kp;
+
+       RB_FOREACH(kp, key_tree, &keys) {
+               if (kp->funcid != KF_SPAWN_CUSTOM)
+                       continue;
+
+               /* find program */
+               TAILQ_FOREACH(sp, &spawns, entry) {
+                       if (!strcasecmp(kp->spawn_name, sp->name))
+                               break;
+               }
+
+               if (sp == NULL || sp->flags & SWM_SPAWN_OPTIONAL)
+                       continue;
+
+               /* verify we have the goods */
+               snprintf(which, sizeof which, "which %s", sp->argv[0]);
+               DNPRINTF(SWM_D_CONF, "validate_spawns: which %s\n",
+                   sp->argv[0]);
+               for (i = strlen("which "); i < strlen(which); i++)
+                       if (which[i] == ' ') {
+                               which[i] = '\0';
+                               break;
+                       }
+               if (system(which) != 0)
+                       add_startup_exception("could not find %s",
+                           &which[strlen("which ")]);
+       }
+}
+
+void
 setup_spawn(void)
 {
+       setconfspawn("lock",            "xlock",                0);
+
        setconfspawn("term",            "xterm",                0);
        setconfspawn("spawn_term",      "xterm",                0);
-       setconfspawn("screenshot_all",  "screenshot.sh full",   0);
-       setconfspawn("screenshot_wind", "screenshot.sh window", 0);
-       setconfspawn("lock",            "xlock",                0);
-       setconfspawn("initscr",         "initscreen.sh",        0);
+
        setconfspawn("menu",            "dmenu_run"
                                        " -fn $bar_font"
                                        " -nb $bar_color"
                                        " -nf $bar_font_color"
                                        " -sb $bar_border"
                                        " -sf $bar_color",      0);
+
        setconfspawn("search",          "dmenu"
                                        " -i"
                                        " -fn $bar_font"
@@ -6056,6 +6135,7 @@ setup_spawn(void)
                                        " -nf $bar_font_color"
                                        " -sb $bar_border"
                                        " -sf $bar_color",      0);
+
        setconfspawn("name_workspace",  "dmenu"
                                        " -p Workspace"
                                        " -fn $bar_font"
@@ -6064,9 +6144,10 @@ setup_spawn(void)
                                        " -sb $bar_border"
                                        " -sf $bar_color",      0);
 
-       /* only test dmenu for now, really should expand this */
-       if (system("dmenu -v") != 0)
-               add_startup_exception("you must install dmenu");
+        /* These are not verified for existence, even with a binding set. */
+       setconfspawn("screenshot_all",  "screenshot.sh full",   SWM_SPAWN_OPTIONAL);
+       setconfspawn("screenshot_wind", "screenshot.sh window", SWM_SPAWN_OPTIONAL);
+       setconfspawn("initscr",         "initscreen.sh",        SWM_SPAWN_OPTIONAL);
 }
 
 /* key bindings */
@@ -6240,8 +6321,8 @@ setconfbinding(char *selector, char *value, int flags)
        for (kfid = 0; kfid < KF_INVALID; (kfid)++) {
                if (strncasecmp(selector, keyfuncs[kfid].name,
                    SWM_FUNCNAME_LEN) == 0) {
-                       DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
-                           selector);
+                       DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match "
+                           "keyfunc\n", selector);
                        if (parsekeys(value, mod_key, &mod, &ks) == 0) {
                                setkeybinding(mod, ks, kfid, NULL);
                                return (0);
@@ -6252,8 +6333,8 @@ setconfbinding(char *selector, char *value, int flags)
        /* search by custom spawn name */
        TAILQ_FOREACH(sp, &spawns, entry) {
                if (strcasecmp(selector, sp->name) == 0) {
-                       DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
-                           selector);
+                       DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match "
+                           "spawn\n", selector);
                        if (parsekeys(value, mod_key, &mod, &ks) == 0) {
                                setkeybinding(mod, ks, KF_SPAWN_CUSTOM,
                                    sp->name);
@@ -6384,6 +6465,8 @@ setup_keys(void)
        setkeybinding(MODKEY,           XK_Left,        KF_WS_PREV,     NULL);
        setkeybinding(MODKEY,           XK_Up,          KF_WS_NEXT_ALL, NULL);
        setkeybinding(MODKEY,           XK_Down,        KF_WS_PREV_ALL, NULL);
+       setkeybinding(MODKEY_SHIFT,     XK_Up,          KF_WS_NEXT_MOVE,NULL);
+       setkeybinding(MODKEY_SHIFT,     XK_Down,        KF_WS_PREV_MOVE,NULL);
        setkeybinding(MODKEY,           XK_a,           KF_WS_PRIOR,    NULL);
 #ifdef SWM_DEBUG
        setkeybinding(MODKEY_SHIFT,     XK_d,           KF_DUMPWINS,    NULL);
@@ -6405,24 +6488,25 @@ clear_keys(void)
 int
 setkeymapping(char *selector, char *value, int flags)
 {
-       char                    keymapping_file[PATH_MAX];
+       char                    *keymapping_file;
 
        /* suppress unused warnings since vars are needed */
        (void)selector;
        (void)flags;
 
        DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
-       if (value[0] == '~')
-               snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
-                   pwd->pw_dir, &value[1]);
-       else
-               strlcpy(keymapping_file, value, sizeof keymapping_file);
+
+       keymapping_file = expand_tilde(value);
+
        clear_keys();
        /* load new key bindings; if it fails, revert to default bindings */
        if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
                clear_keys();
                setup_keys();
        }
+
+       free(keymapping_file);
+
        DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
        return (0);
 }
@@ -6473,13 +6557,23 @@ grabkeys(void)
        modifiers[2] = XCB_MOD_MASK_LOCK;
        modifiers[3] = numlockmask | XCB_MOD_MASK_LOCK;
 
-       num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
+       num_screens = get_screen_count();
        for (k = 0; k < num_screens; k++) {
                if (TAILQ_EMPTY(&screens[k].rl))
                        continue;
                xcb_ungrab_key(conn, XCB_GRAB_ANY, screens[k].root,
                        XCB_MOD_MASK_ANY);
                RB_FOREACH(kp, key_tree, &keys) {
+                       /* Skip unused ws binds. */
+                       if ((int)kp->funcid > KF_WS_1 + workspace_limit - 1 &&
+                           kp->funcid <= KF_WS_22)
+                               continue;
+
+                       /* Skip unused mvws binds. */
+                       if ((int)kp->funcid > KF_MVWS_1 + workspace_limit - 1 &&
+                           kp->funcid <= KF_MVWS_22)
+                               continue;
+
                        if ((code = xcb_key_symbols_get_keycode(syms,
                                        kp->keysym))) {
                                for (j = 0; j < LENGTH(modifiers); j++)
@@ -6526,6 +6620,8 @@ const char *quirkname[] = {
        "XTERM_FONTADJ",
        "FULLSCREEN",
        "FOCUSPREV",
+       "NOFOCUSONMAP",
+       "FOCUSONMAP_SINGLE",
 };
 
 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
@@ -6757,7 +6853,7 @@ setconfvalue(char *selector, char *value, int flags)
                        errx(1, "setconfvalue: bar_enabled_ws: invalid "
                            "workspace %d.", ws_id + 1);
 
-               num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
+               num_screens = get_screen_count();
                for (i = 0; i < num_screens; i++) {
                        ws = (struct workspace *)&screens[i].ws;
                        ws[ws_id].bar_enabled = atoi(value);
@@ -7088,7 +7184,7 @@ setlayout(char *selector, char *value, int flags)
                    "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
                    "<type>'");
 
-       num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
+       num_screens = get_screen_count();
        for (i = 0; i < num_screens; i++) {
                ws = (struct workspace *)&screens[i].ws;
                ws[ws_id].cur_layout = &layouts[st];
@@ -7217,7 +7313,7 @@ int
 conf_load(const char *filename, int keymapping)
 {
        FILE                    *config;
-       char                    *line = NULL, *cp, *optsub, *optval;
+       char                    *line = NULL, *cp, *optsub, *optval = NULL;
        size_t                  linelen, lineno = 0;
        int                     wordlen, i, optidx;
        struct config_option    *opt = NULL;
@@ -7228,6 +7324,9 @@ conf_load(const char *filename, int keymapping)
                warnx("conf_load: no filename");
                return (1);
        }
+
+       DNPRINTF(SWM_D_CONF, "conf_load: open %s\n", filename);
+
        if ((config = fopen(filename, "r")) == NULL) {
                warn("conf_load: fopen: %s", filename);
                return (1);
@@ -7237,8 +7336,8 @@ conf_load(const char *filename, int keymapping)
                if (line)
                        free(line);
 
-               if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
-                   == NULL) {
+               if ((line = fparseln(config, &linelen, &lineno, NULL,
+                   FPARSELN_UNESCCOMM | FPARSELN_UNESCCONT)) == NULL) {
                        if (ferror(config))
                                err(1, "%s", filename);
                        else
@@ -7307,6 +7406,12 @@ conf_load(const char *filename, int keymapping)
                cp += strspn(cp, "= \t\n"); /* eat trailing */
                /* get RHS value */
                optval = strdup(cp);
+               if (strlen(optval) == 0) {
+                       add_startup_exception("%s: line %zd: must supply value "
+                           "to %s", filename, lineno,
+                           configopt[optidx].optname);
+                       goto invalid;
+               }
                /* call function to deal with it all */
                if (configopt[optidx].func(optsub, optval,
                    configopt[optidx].funcflags) != 0) {
@@ -7727,7 +7832,7 @@ expose(xcb_expose_event_t *e)
 
        DNPRINTF(SWM_D_EVENT, "expose: window: 0x%x\n", e->window);
 
-       num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
+       num_screens = get_screen_count();
        for (i = 0; i < num_screens; i++)
                TAILQ_FOREACH(r, &screens[i].rl, entry)
                        if (e->window == WINID(r->bar))
@@ -8194,7 +8299,7 @@ enternotify(xcb_enter_notify_event_t *e)
                        /* If no windows on pointer region, then focus root. */
                        r = root_to_region(e->root, SWM_CK_POINTER);
                        if (r == NULL) {
-                               DNPRINTF(SWM_D_EVENT, "enterntoify: "
+                               DNPRINTF(SWM_D_EVENT, "enternotify: "
                                    "NULL region; ignoring.\n");
                                return;
                        }
@@ -8209,7 +8314,7 @@ enternotify(xcb_enter_notify_event_t *e)
                focus_win(get_focus_magic(win));
        }
 
-       focus_flush();
+       xcb_flush(conn);
 }
 
 #ifdef SWM_DEBUG
@@ -8263,7 +8368,7 @@ mappingnotify(xcb_mapping_notify_event_t *e)
 void
 maprequest(xcb_map_request_event_t *e)
 {
-       struct ws_win           *win;
+       struct ws_win           *win, *w = NULL;
        xcb_get_window_attributes_reply_t *war;
 
        DNPRINTF(SWM_D_EVENT, "maprequest: win 0x%x\n",
@@ -8287,8 +8392,25 @@ maprequest(xcb_map_request_event_t *e)
            (war->map_state == XCB_MAP_STATE_VIEWABLE));
 
        /* The new window should get focus; prepare. */
-       if (focus_mode != SWM_FOCUS_FOLLOW)
-               win->ws->focus_pending = get_focus_magic(win);
+       if (focus_mode != SWM_FOCUS_FOLLOW &&
+           !(win->quirks & SWM_Q_NOFOCUSONMAP)) {
+               if (win->quirks & SWM_Q_FOCUSONMAP_SINGLE) {
+                       /* See if other wins of same type are already mapped. */
+                       TAILQ_FOREACH(w, &win->ws->winlist, entry) {
+                               if (w == win || !w->mapped)
+                                       continue;
+
+                               if (!strcmp(w->ch.class_name,
+                                   win->ch.class_name) &&
+                                   !strcmp(w->ch.instance_name,
+                                   win->ch.instance_name))
+                                       break;
+                       }
+               }
+
+               if (w == NULL)
+                       win->ws->focus_pending = get_focus_magic(win);
+       }
 
        /* All windows need to be mapped if they are in the current workspace.*/
        if (win->ws->r)
@@ -8318,7 +8440,7 @@ motionnotify(xcb_motion_notify_event_t *e)
 
        last_event_time = e->time;
 
-       num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
+       num_screens = get_screen_count();
        for (i = 0; i < num_screens; i++)
                if (screens[i].root == e->root)
                        break;
@@ -8610,7 +8732,7 @@ enable_wm(void)
        xcb_generic_error_t     *error;
 
        /* this causes an error if some other window manager is running */
-       num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
+       num_screens = get_screen_count();
        for (i = 0; i < num_screens; i++) {
                if ((sc = get_screen(i)) == NULL)
                        errx(1, "ERROR: can't get screen %d.", i);
@@ -8728,6 +8850,7 @@ scan_xrandr(int i)
        int                                             ncrtc = 0;
 #endif /* SWM_XRR_HAS_CRTC */
        struct swm_region                               *r;
+       struct ws_win                                   *win;
        int                                             num_screens;
        xcb_randr_get_screen_resources_current_cookie_t src;
        xcb_randr_get_screen_resources_current_reply_t  *srr;
@@ -8741,7 +8864,7 @@ scan_xrandr(int i)
        if ((screen = get_screen(i)) == NULL)
                errx(1, "ERROR: can't get screen %d.", i);
 
-       num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
+       num_screens = get_screen_count();
        if (i >= num_screens)
                errx(1, "scan_xrandr: invalid screen");
 
@@ -8752,9 +8875,6 @@ scan_xrandr(int i)
                xcb_destroy_window(conn, r->id);
                TAILQ_REMOVE(&screens[i].rl, r, entry);
                TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
-
-               if (r->s->r_focus == r)
-                       r->s->r_focus = NULL;
        }
        outputs = 0;
 
@@ -8804,6 +8924,16 @@ scan_xrandr(int i)
                    screen->height_in_pixels);
 
 out:
+       /* Cleanup unused previously visible workspaces. */
+       TAILQ_FOREACH(r, &screens[i].orl, entry) {
+               TAILQ_FOREACH(win, &r->ws->winlist, entry)
+                       unmap_window(win);
+
+               /* The screen shouldn't focus on an unused region. */
+               if (screens[i].r_focus == r)
+                       screens[i].r_focus = NULL;
+       }
+
        DNPRINTF(SWM_D_MISC, "scan_xrandr: done.\n");
 }
 
@@ -8815,7 +8945,7 @@ screenchange(xcb_randr_screen_change_notify_event_t *e)
 
        DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%x\n", e->root);
 
-       num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
+       num_screens = get_screen_count();
        /* silly event doesn't include the screen index */
        for (i = 0; i < num_screens; i++)
                if (screens[i].root == e->root)
@@ -8833,16 +8963,19 @@ screenchange(xcb_randr_screen_change_notify_event_t *e)
        for (i = 0; i < num_screens; i++) {
                TAILQ_FOREACH(r, &screens[i].rl, entry)
                        bar_setup(r);
+       }
 
-               if (screens[0].r_focus == NULL) {
-                       /* Focus on first region. */
-                       r = TAILQ_FIRST(&screens[0].rl);
-                       if (r)
+       stack();
+
+       /* Make sure a region has focus on each screen. */
+       for (i = 0; i < num_screens; i++) {
+               if (screens[i].r_focus == NULL) {
+                       r = TAILQ_FIRST(&screens[i].rl);
+                       if (r != NULL)
                                focus_region(r);
                }
        }
 
-       stack();
        bar_draw();
        focus_flush();
 }
@@ -8863,7 +8996,7 @@ grab_windows(void)
        xcb_get_property_cookie_t               pc;
 
        DNPRINTF(SWM_D_INIT, "grab_windows: begin\n");
-       num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
+       num_screens = get_screen_count();
        for (i = 0; i < num_screens; i++) {
                qtc = xcb_query_tree(conn, screens[i].root);
                qtr = xcb_query_tree_reply(conn, qtc, NULL);
@@ -8961,7 +9094,7 @@ setup_screens(void)
        xcb_randr_query_version_cookie_t        c;
        xcb_randr_query_version_reply_t         *r;
 
-       num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
+       num_screens = get_screen_count();
        if ((screens = calloc(num_screens,
             sizeof(struct swm_screen))) == NULL)
                err(1, "setup_screens: calloc: failed to allocate memory for "
@@ -9080,7 +9213,7 @@ workaround(void)
        /* work around sun jdk bugs, code from wmname */
        netwmcheck = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
 
-       num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
+       num_screens = get_screen_count();
        for (i = 0; i < num_screens; i++) {
                root = screens[i].root;
 
@@ -9115,7 +9248,7 @@ shutdown_cleanup(void)
 
        teardown_ewmh();
 
-       num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
+       num_screens = get_screen_count();
        for (i = 0; i < num_screens; ++i) {
                if (screens[i].bar_gc != 0)
                        xcb_free_gc(conn, screens[i].bar_gc);
@@ -9322,6 +9455,8 @@ noconfig:
        if (cfile)
                conf_load(cfile, SWM_CONF_DEFAULT);
 
+       validate_spawns();
+
        setup_ewmh();
        /* set some values to work around bad programs */
        workaround();
@@ -9332,7 +9467,7 @@ noconfig:
                setenv("SWM_STARTED", "YES", 1);
 
        /* setup all bars */
-       num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
+       num_screens = get_screen_count();
        for (i = 0; i < num_screens; i++)
                TAILQ_FOREACH(r, &screens[i].rl, entry)
                        bar_setup(r);
@@ -9394,11 +9529,11 @@ noconfig:
 
                if (stdin_ready) {
                        stdin_ready = 0;
-                       if (bar_extra_update()) {
-                               bar_draw();
-                               xcb_flush(conn);
-                       }
+                       bar_extra_update();
                }
+
+               bar_draw();
+               xcb_flush(conn);
        }
 done:
        shutdown_cleanup();