]> code.delx.au - spectrwm/blobdiff - spectrwm.c
Prepare for release 2.1.1.
[spectrwm] / spectrwm.c
index 8e5e06e96057e36c375263054ebdfbb2acdafeec..606dcbe4ed9cfd11c72bfd872e837aa0350f3f74 100644 (file)
@@ -374,6 +374,8 @@ int          focus_default = SWM_STACK_TOP;
 int             spawn_position = SWM_STACK_TOP;
 int             disable_border = 0;
 int             border_width = 1;
+int             region_padding = 0;
+int             tile_gap = 0;
 int             verbose_layout = 0;
 time_t          time_started;
 pid_t           bar_pid;
@@ -384,6 +386,8 @@ int          bar_font_legacy = 1;
 char           *bar_fonts;
 XftColor        bar_font_color;
 struct passwd  *pwd;
+char           *startup_exception;
+unsigned int    nr_exceptions = 0;
 
 /* layout manager data */
 struct swm_geometry {
@@ -520,6 +524,7 @@ struct workspace {
 enum {
        SWM_S_COLOR_BAR,
        SWM_S_COLOR_BAR_BORDER,
+       SWM_S_COLOR_BAR_BORDER_UNFOCUS,
        SWM_S_COLOR_BAR_FONT,
        SWM_S_COLOR_FOCUS,
        SWM_S_COLOR_UNFOCUS,
@@ -702,12 +707,15 @@ 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);
@@ -852,8 +860,7 @@ 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 *);
@@ -921,6 +928,7 @@ char        *get_notify_mode_label(uint8_t);
 #endif
 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);
 #ifdef SWM_DEBUG
 char   *get_stack_mode_name(uint8_t);
@@ -1003,7 +1011,7 @@ 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);
@@ -1020,15 +1028,15 @@ 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);
@@ -1041,6 +1049,7 @@ 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 *);*/
@@ -1049,6 +1058,8 @@ 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 *, ...);
 
 RB_PROTOTYPE(key_tree, key, entry, key_cmp);
 RB_GENERATE(key_tree, key, entry, key_cmp);
@@ -1173,6 +1184,27 @@ get_screen(int screen)
        return (NULL);
 }
 
+int
+get_region_index(struct swm_region *r)
+{
+       struct swm_region       *rr;
+       int                      ridx = 0;
+
+       if (r == NULL)
+               return -1;
+
+       TAILQ_FOREACH(rr, &r->s->rl, entry) {
+               if (rr == r)
+                       break;
+               ++ridx;
+       }
+
+       if (rr == NULL)
+               return -1;
+
+       return ridx;
+}
+
 void
 focus_flush(void)
 {
@@ -2213,8 +2245,15 @@ bar_draw(void)
                                continue;
                        }
 
-                       bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew);
-                       bar_replace(fmtnew, fmtrep, r, sizeof fmtrep);
+                       if (startup_exception)
+                               snprintf(fmtrep, sizeof fmtrep, "total "
+                                   "exceptions: %d, first exception: %s",
+                                   nr_exceptions,
+                                   startup_exception);
+                       else {
+                               bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew);
+                               bar_replace(fmtnew, fmtrep, r, sizeof fmtrep);
+                       }
                        if (bar_font_legacy)
                                bar_print_legacy(r, fmtrep);
                        else
@@ -2502,8 +2541,9 @@ bar_setup(struct swm_region *r)
        /* Assume region is unfocused when we create the bar. */
        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_UNFOCUS].pixel;
-       wa[2] = XCB_EVENT_MASK_EXPOSURE;
+       wa[1] = r->s->c[SWM_S_COLOR_BAR_BORDER_UNFOCUS].pixel;
+       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),
@@ -3314,11 +3354,6 @@ set_region(struct swm_region *r)
        if (r == NULL)
                return;
 
-       /* Skip if only one region on this screen. */
-       rf = TAILQ_FIRST(&r->s->rl);
-       if (TAILQ_NEXT(rf, entry) == NULL)
-               goto out;
-
        rf = r->s->r_focus;
        /* Unfocus old region bar. */
        if (rf) {
@@ -3327,14 +3362,13 @@ set_region(struct swm_region *r)
 
                xcb_change_window_attributes(conn, rf->bar->id,
                    XCB_CW_BORDER_PIXEL,
-                   &r->s->c[SWM_S_COLOR_UNFOCUS].pixel);
+                   &r->s->c[SWM_S_COLOR_BAR_BORDER_UNFOCUS].pixel);
        }
 
        /* Set region bar border to focus_color. */
        xcb_change_window_attributes(conn, r->bar->id,
            XCB_CW_BORDER_PIXEL, &r->s->c[SWM_S_COLOR_BAR_BORDER].pixel);
 
-out:
        r->s->r_focus = r;
 }
 
@@ -3945,10 +3979,12 @@ stack(void) {
                        DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
                            "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
 
-                       /* start with screen geometry, adjust for bar */
+                       /* Adjust stack area for region bar and padding. */
                        g = r->g;
-                       g.w -= 2 * border_width;
-                       g.h -= 2 * border_width;
+                       g.x += region_padding;
+                       g.y += region_padding;
+                       g.w -= 2 * border_width + 2 * region_padding;
+                       g.h -= 2 * border_width + 2 * region_padding;
                        if (bar_enabled && r->ws->bar_enabled) {
                                if (!bar_at_bottom)
                                        g.y += bar_height;
@@ -4184,9 +4220,7 @@ stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
        /*  stack all the tiled windows */
        i = j = 0, s = stacks;
        TAILQ_FOREACH(win, &ws->winlist, entry) {
-               if (win->transient || win->floating)
-                       continue;
-               if (win->iconic)
+               if (win->transient || win->floating || win->iconic)
                        continue;
 
                if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
@@ -4204,16 +4238,20 @@ stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
                        if (flip)
                                win_g.x = r_g.x;
                        else
-                               win_g.x += win_g.w + 2 * border_width;
+                               win_g.x += win_g.w + 2 * border_width +
+                                   tile_gap;
                        win_g.w = (r_g.w - msize -
-                           (stacks * 2 * border_width)) / stacks;
+                           (stacks * (2 * border_width + tile_gap))) / stacks;
                        if (s == 1)
                                win_g.w += (r_g.w - msize -
-                                   (stacks * 2 * border_width)) % stacks;
+                                   (stacks * (2 * border_width + tile_gap))) %
+                                   stacks;
                        s--;
                        j = 0;
                }
-               win_g.h = hrh - 2 * border_width;
+
+               win_g.h = hrh - 2 * border_width - tile_gap;
+
                if (rot) {
                        h_inc = win->sh.width_inc;
                        h_base = win->sh.base_width;
@@ -4221,6 +4259,7 @@ stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
                        h_inc = win->sh.height_inc;
                        h_base = win->sh.base_height;
                }
+
                if (j == colno - 1) {
                        win_g.h = hrh + extra;
                } else if (h_inc > 1 && h_inc < h_slice) {
@@ -4240,7 +4279,7 @@ stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
                if (j == 0)
                        win_g.y = r_g.y;
                else
-                       win_g.y += last_h + 2 * border_width;
+                       win_g.y += last_h + 2 * border_width + tile_gap;
 
                if (disable_border && !(bar_enabled && ws->bar_enabled) &&
                    winno == 1){
@@ -4250,6 +4289,7 @@ stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
                } else {
                        bordered = 1;
                }
+
                if (rot) {
                        if (X(win) != win_g.y || Y(win) != win_g.x ||
                            WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
@@ -4417,7 +4457,7 @@ max_stack(struct workspace *ws, struct swm_geometry *g)
 {
        struct swm_geometry     gg = *g;
        struct ws_win           *w, *win = NULL, *parent = NULL;
-       int                     winno, num_screens;
+       int                     winno;
 
        DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
 
@@ -4442,11 +4482,13 @@ max_stack(struct workspace *ws, struct swm_geometry *g)
        DNPRINTF(SWM_D_STACK, "max_stack: win: 0x%x\n", win->id);
 
        /* maximize all top level windows */
-       num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
        TAILQ_FOREACH(w, &ws->winlist, entry) {
                if (w->transient || w->iconic)
                        continue;
 
+               if (!w->mapped && w != win)
+                       map_window(w);
+
                if (w->floating && !w->floatmaxed) {
                        /*
                         * retain geometry for retrieval on exit from
@@ -4470,14 +4512,9 @@ max_stack(struct workspace *ws, struct swm_geometry *g)
 
                        update_window(w);
                }
-
-               /* Unmap unwanted windows if not multi-screen. */
-               if (num_screens <= 1 && outputs <= 1 && w != win &&
-                   w != parent && w->transient != win->id)
-                       unmap_window(w);
        }
 
-       /* If a parent exists, map it first. */
+       /* If a parent exists, map/raise it first. */
        if (parent) {
                map_window(parent);
 
@@ -4490,10 +4527,10 @@ max_stack(struct workspace *ws, struct swm_geometry *g)
                        }
        }
 
-       /* Map focused window. */
+       /* Map/raise focused window. */
        map_window(win);
 
-       /* Finally, map children of focus window. */
+       /* Finally, map/raise children of focus window. */
        TAILQ_FOREACH(w, &ws->winlist, entry)
                if (w->transient == win->id && !w->iconic) {
                        stack_floater(w, ws->r);
@@ -4690,7 +4727,7 @@ 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)
@@ -4702,7 +4739,7 @@ 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);
        }
@@ -5288,6 +5325,12 @@ 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;
@@ -5344,7 +5387,7 @@ 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");
@@ -5407,6 +5450,12 @@ 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);
@@ -5416,7 +5465,7 @@ 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");
@@ -5475,6 +5524,12 @@ 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:
@@ -5517,7 +5572,7 @@ 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");
@@ -5539,6 +5594,12 @@ 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);
@@ -5548,6 +5609,7 @@ 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");
@@ -5804,6 +5866,13 @@ spawn_expand(struct swm_region *r, union arg *args, const char *spawn_name,
                            strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
                            == NULL)
                                err(1, "spawn_custom color unfocus");
+               } else if (!strcasecmp(ap, "$region_index")) {
+                       if (asprintf(&real_args[i], "%d",
+                           get_region_index(r) + 1) < 1)
+                               err(1, "spawn_custom region index");
+               } else if (!strcasecmp(ap, "$workspace_index")) {
+                       if (asprintf(&real_args[i], "%d", r->ws->idx + 1) < 1)
+                               err(1, "spawn_custom workspace index");
                } else {
                        /* no match --> copy as is */
                        if ((real_args[i] = strdup(ap)) == NULL)
@@ -5885,7 +5954,7 @@ 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;
@@ -5914,6 +5983,8 @@ 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");
 }
@@ -5936,18 +6007,7 @@ 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;
 
@@ -5956,59 +6016,89 @@ 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");
        return (0);
 }
 
+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"
@@ -6016,6 +6106,7 @@ setup_spawn(void)
                                        " -nf $bar_font_color"
                                        " -sb $bar_border"
                                        " -sf $bar_color",      0);
+
        setconfspawn("name_workspace",  "dmenu"
                                        " -p Workspace"
                                        " -fn $bar_font"
@@ -6023,6 +6114,11 @@ setup_spawn(void)
                                        " -nf $bar_font_color"
                                        " -sb $bar_border"
                                        " -sf $bar_color",      0);
+
+        /* 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 */
@@ -6213,6 +6309,8 @@ setconfbinding(char *selector, char *value, int flags)
                        if (parsekeys(value, mod_key, &mod, &ks) == 0) {
                                setkeybinding(mod, ks, KF_SPAWN_CUSTOM,
                                    sp->name);
+                               /* Custom binding; validate spawn. */
+                               sp->flags ^= SWM_SPAWN_OPTIONAL;
                                return (0);
                        } else
                                return (1);
@@ -6661,12 +6759,14 @@ enum {
        SWM_S_FOCUS_CLOSE_WRAP,
        SWM_S_FOCUS_DEFAULT,
        SWM_S_FOCUS_MODE,
+       SWM_S_REGION_PADDING,
        SWM_S_SPAWN_ORDER,
        SWM_S_SPAWN_TERM,
        SWM_S_SS_APP,
        SWM_S_SS_ENABLED,
        SWM_S_STACK_ENABLED,
        SWM_S_TERM_WIDTH,
+       SWM_S_TILE_GAP,
        SWM_S_TITLE_CLASS_ENABLED,
        SWM_S_TITLE_NAME_ENABLED,
        SWM_S_URGENT_ENABLED,
@@ -6816,6 +6916,11 @@ setconfvalue(char *selector, char *value, int flags)
                else
                        errx(1, "focus_mode");
                break;
+       case SWM_S_REGION_PADDING:
+               region_padding = atoi(value);
+               if (region_padding < 0)
+                       region_padding = 0;
+               break;
        case SWM_S_SPAWN_ORDER:
                if (!strcmp(value, "first"))
                        spawn_position = SWM_STACK_BOTTOM;
@@ -6846,6 +6951,11 @@ setconfvalue(char *selector, char *value, int flags)
                if (term_width < 0)
                        term_width = 0;
                break;
+       case SWM_S_TILE_GAP:
+               tile_gap = atoi(value);
+               if (tile_gap < 0)
+                       tile_gap = 0;
+               break;
        case SWM_S_TITLE_CLASS_ENABLED:
                title_class_enabled = atoi(value);
                break;
@@ -7086,6 +7196,7 @@ struct config_option configopt[] = {
        { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
        { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
        { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
+       { "bar_border_unfocus",         setconfcolor,   SWM_S_COLOR_BAR_BORDER_UNFOCUS },
        { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
        { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
        { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
@@ -7115,12 +7226,14 @@ struct config_option configopt[] = {
        { "program",                    setconfspawn,   0 },
        { "quirk",                      setconfquirk,   0 },
        { "region",                     setconfregion,  0 },
+       { "region_padding",             setconfvalue,   SWM_S_REGION_PADDING },
        { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
        { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
        { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
        { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
        { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
        { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
+       { "tile_gap",                   setconfvalue,   SWM_S_TILE_GAP },
        { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
        { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
        { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
@@ -7129,11 +7242,36 @@ struct config_option configopt[] = {
        { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
 };
 
+void
+_add_startup_exception(const char *fmt, va_list ap)
+{
+       if (vasprintf(&startup_exception, fmt, ap) == -1)
+               warn("%s: asprintf", __func__);
+}
+
+void
+add_startup_exception(const char *fmt, ...)
+{
+       va_list ap;
+
+       nr_exceptions++;
+
+       if (startup_exception)
+               return;
+
+       /* force bar to be enabled due to exception */
+       bar_enabled = 1;
+
+       va_start(ap, fmt);
+       _add_startup_exception(fmt, ap);
+       va_end(ap);
+}
+
 int
 conf_load(const char *filename, int keymapping)
 {
        FILE                    *config;
-       char                    *line, *cp, *optsub, *optval;
+       char                    *line = NULL, *cp, *optsub, *optval = NULL;
        size_t                  linelen, lineno = 0;
        int                     wordlen, i, optidx;
        struct config_option    *opt = NULL;
@@ -7150,8 +7288,11 @@ conf_load(const char *filename, int keymapping)
        }
 
        while (!feof(config)) {
-               if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
-                   == NULL) {
+               if (line)
+                       free(line);
+
+               if ((line = fparseln(config, &linelen, &lineno, NULL,
+                   FPARSELN_UNESCCOMM | FPARSELN_UNESCCONT)) == NULL) {
                        if (ferror(config))
                                err(1, "%s", filename);
                        else
@@ -7161,15 +7302,14 @@ conf_load(const char *filename, int keymapping)
                cp += strspn(cp, " \t\n"); /* eat whitespace */
                if (cp[0] == '\0') {
                        /* empty line */
-                       free(line);
                        continue;
                }
                /* get config option */
                wordlen = strcspn(cp, "=[ \t\n");
                if (wordlen == 0) {
-                       warnx("%s: line %zd: no option found",
+                       add_startup_exception("%s: line %zd: no option found",
                            filename, lineno);
-                       goto out;
+                       continue;
                }
                optidx = -1;
                for (i = 0; i < LENGTH(configopt); i++) {
@@ -7181,17 +7321,20 @@ conf_load(const char *filename, int keymapping)
                        }
                }
                if (optidx == -1) {
-                       warnx("%s: line %zd: unknown option %.*s",
-                           filename, lineno, wordlen, cp);
-                       goto out;
+                       add_startup_exception("%s: line %zd: unknown option "
+                           "%.*s", filename, lineno, wordlen, cp);
+                       continue;
                }
                if (keymapping && opt && strcmp(opt->optname, "bind")) {
-                       warnx("%s: line %zd: invalid option %.*s",
-                           filename, lineno, wordlen, cp);
-                       goto out;
+                       add_startup_exception("%s: line %zd: invalid option "
+                           "%.*s", filename, lineno, wordlen, cp);
+                       continue;
                }
                cp += wordlen;
                cp += strspn(cp, " \t\n"); /* eat whitespace */
+
+               /* from here on out we call goto invalid to continue */
+
                /* get [selector] if any */
                optsub = NULL;
                if (*cp == '[') {
@@ -7199,17 +7342,17 @@ conf_load(const char *filename, int keymapping)
                        wordlen = strcspn(cp, "]");
                        if (*cp != ']') {
                                if (wordlen == 0) {
-                                       warnx("%s: line %zd: syntax error",
-                                           filename, lineno);
-                                       goto out;
+                                       add_startup_exception("%s: line %zd: "
+                                           "syntax error", filename, lineno);
+                                       goto invalid;
                                }
 
                                if (asprintf(&optsub, "%.*s", wordlen, cp) ==
                                    -1) {
-                                       warnx("%s: line %zd: unable to allocate"
-                                           "memory for selector", filename,
-                                           lineno);
-                                       goto out;
+                                       add_startup_exception("%s: line %zd: "
+                                           "unable to allocatememory for "
+                                           "selector", filename, lineno);
+                                       goto invalid;
                                }
                        }
                        cp += wordlen;
@@ -7218,27 +7361,36 @@ 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)
-                       errx(1, "%s: line %zd: invalid data for %s",
-                           filename, lineno, configopt[optidx].optname);
-               free(optval);
-               free(optsub);
-               free(line);
+                   configopt[optidx].funcflags) != 0) {
+                       add_startup_exception("%s: line %zd: invalid data for "
+                           "%s", filename, lineno, configopt[optidx].optname);
+                       goto invalid;
+               }
+invalid:
+               if (optval) {
+                       free(optval);
+                       optval = NULL;
+               }
+               if (optsub) {
+                       free(optsub);
+                       optsub = NULL;
+               }
        }
 
+       if (line)
+               free(line);
        fclose(config);
        DNPRINTF(SWM_D_CONF, "conf_load: end\n");
 
        return (0);
-
-out:
-       free(line);
-       fclose(config);
-       DNPRINTF(SWM_D_CONF, "conf_load: end with error.\n");
-
-       return (1);
 }
 
 void
@@ -8102,7 +8254,7 @@ 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;
                        }
@@ -8117,7 +8269,7 @@ enternotify(xcb_enter_notify_event_t *e)
                focus_win(get_focus_magic(win));
        }
 
-       focus_flush();
+       xcb_flush(conn);
 }
 
 #ifdef SWM_DEBUG
@@ -8636,6 +8788,7 @@ 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;
@@ -8709,6 +8862,16 @@ 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");
 }
 
@@ -8735,10 +8898,22 @@ screenchange(xcb_randr_screen_change_notify_event_t *e)
        print_win_geom(e->root);
 #endif
        /* add bars to all regions */
-       for (i = 0; i < num_screens; i++)
+       for (i = 0; i < num_screens; i++) {
                TAILQ_FOREACH(r, &screens[i].rl, entry)
                        bar_setup(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);
+               }
+       }
+
        bar_draw();
        focus_flush();
 }
@@ -8896,6 +9071,8 @@ setup_screens(void)
                setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
                setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
                setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
+               setscreencolor("rgb:00/40/40", i + 1,
+                   SWM_S_COLOR_BAR_BORDER_UNFOCUS);
                setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
                setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
 
@@ -9216,6 +9393,8 @@ noconfig:
        if (cfile)
                conf_load(cfile, SWM_CONF_DEFAULT);
 
+       validate_spawns();
+
        setup_ewmh();
        /* set some values to work around bad programs */
        workaround();
@@ -9288,11 +9467,11 @@ 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();