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Add flip_layout keyinding.
[spectrwm.git] / scrotwm.c
index bc891ba..658696b 100644 (file)
--- a/scrotwm.c
+++ b/scrotwm.c
@@ -423,9 +423,11 @@ struct workspace {
                                int horizontal_msize;
                                int horizontal_mwin;
                                int horizontal_stacks;
+                               int horizontal_flip;
                                int vertical_msize;
                                int vertical_mwin;
                                int vertical_stacks;
+                               int vertical_flip;
        } l_state;
 };
 
@@ -467,6 +469,7 @@ union arg {
 #define SWM_ARG_ID_MASTERGROW  (21)
 #define SWM_ARG_ID_MASTERADD   (22)
 #define SWM_ARG_ID_MASTERDEL   (23)
+#define SWM_ARG_ID_FLIPLAYOUT  (24)
 #define SWM_ARG_ID_STACKRESET  (30)
 #define SWM_ARG_ID_STACKINIT   (31)
 #define SWM_ARG_ID_CYCLEWS_UP  (40)
@@ -563,20 +566,22 @@ struct ewmh_hint {
 void            store_float_geom(struct ws_win *, struct swm_region *);
 int             floating_toggle_win(struct ws_win *);
 void            spawn_select(struct swm_region *, union arg *, char *, int *);
-unsigned char  *get_win_name(Display *, Window, unsigned long *);
+unsigned char  *get_win_name(Window);
 
 int
-get_property(Window id, Atom atom, long count, Atom type,
-    unsigned long *n, unsigned char **data)
+get_property(Window id, Atom atom, long count, Atom type, unsigned long *nitems,
+    unsigned long *nbytes, unsigned char **data)
 {
        int                     format, status;
-       unsigned long           tmp, extra;
-       unsigned long           *nitems;
+       unsigned long           *nbytes_ret, *nitems_ret;
+       unsigned long           nbytes_tmp, nitems_tmp;
        Atom                    real;
 
-       nitems = n != NULL ? n : &tmp;
+       nbytes_ret = nbytes != NULL ? nbytes : &nbytes_tmp;
+       nitems_ret = nitems != NULL ? nitems : &nitems_tmp;
+
        status = XGetWindowProperty(display, id, atom, 0L, count, False, type,
-           &real, &format, nitems, &extra, data);
+           &real, &format, nitems_ret, nbytes_ret, data);
 
        if (status != Success)
                return False;
@@ -670,7 +675,7 @@ teardown_ewmh(void)
        for (i = 0; i < ScreenCount(display); i++) {
                /* Get the support check window and destroy it */
                success = get_property(screens[i].root, sup_check, 1, XA_WINDOW,
-                   &n, &data);
+                   &n, NULL, &data);
 
                if (success) {
                        id = data[0];
@@ -691,7 +696,7 @@ ewmh_autoquirk(struct ws_win *win)
        Atom                    type;
 
        success = get_property(win->id, ewmh[_NET_WM_WINDOW_TYPE].atom, (~0L),
-           XA_ATOM, &n, (void *)&data);
+           XA_ATOM, &n, NULL, (void *)&data);
 
        if (!success) {
                XFree(data);
@@ -877,7 +882,7 @@ ewmh_get_win_state(struct ws_win *win)
                win->ewmh_flags |= SWM_F_MANUAL;
 
        success = get_property(win->id, ewmh[_NET_WM_STATE].atom,
-           (~0L), XA_ATOM, &n, (void *)&states);
+           (~0L), XA_ATOM, &n, NULL, (void *)&states);
 
        if (!success)
                return;
@@ -1213,10 +1218,12 @@ fancy_stacker(struct workspace *ws)
 {
        strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
        if (ws->cur_layout->l_stack == vertical_stack)
-               snprintf(ws->stacker, sizeof ws->stacker, "[%d|%d]",
+               snprintf(ws->stacker, sizeof ws->stacker,
+                   ws->l_state.vertical_flip ? "[%d>%d]" : "[%d|%d]",
                    ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
        if (ws->cur_layout->l_stack == horizontal_stack)
-               snprintf(ws->stacker, sizeof ws->stacker, "[%d-%d]",
+               snprintf(ws->stacker, sizeof ws->stacker,
+                   ws->l_state.horizontal_flip ? "[%dv%d]" : "[%d-%d]",
                    ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
 }
 
@@ -1225,9 +1232,11 @@ plain_stacker(struct workspace *ws)
 {
        strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
        if (ws->cur_layout->l_stack == vertical_stack)
-               strlcpy(ws->stacker, "[|]", sizeof ws->stacker);
+               strlcpy(ws->stacker, ws->l_state.vertical_flip ? "[>]" : "[|]",
+                   sizeof ws->stacker);
        if (ws->cur_layout->l_stack == horizontal_stack)
-               strlcpy(ws->stacker, "[-]", sizeof ws->stacker);
+               strlcpy(ws->stacker, ws->l_state.horizontal_flip ? "[v]" : "[-]",
+                   sizeof ws->stacker);
 }
 
 void
@@ -1354,10 +1363,9 @@ void
 bar_window_name(char *s, ssize_t sz, struct ws_win *cur_focus)
 {
        unsigned char           *title;
-       unsigned long           len;
 
        if (window_name_enabled && cur_focus != NULL) {
-               title = get_win_name(display, cur_focus->id, &len);
+               title = get_win_name(cur_focus->id);
                if (title != NULL) {
                        DNPRINTF(SWM_D_BAR, "bar_window_name: title: %s\n",
                            title);
@@ -1651,7 +1659,7 @@ getstate(Window w)
        unsigned char           *p = NULL;
        unsigned long           n;
 
-       if (!get_property(w, astate, 2L, astate, &n, &p))
+       if (!get_property(w, astate, 2L, astate, &n, NULL, &p))
                return (-1);
        if (n != 0)
                result = *((long *)p);
@@ -3090,6 +3098,9 @@ vertical_config(struct workspace *ws, int id)
                if (ws->l_state.vertical_stacks > 1)
                        ws->l_state.vertical_stacks--;
                break;
+       case SWM_ARG_ID_FLIPLAYOUT:
+               ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
+               break;
        default:
                return;
        }
@@ -3100,7 +3111,7 @@ vertical_stack(struct workspace *ws, struct swm_geometry *g)
 {
        DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
 
-       stack_master(ws, g, 0, 0);
+       stack_master(ws, g, 0, ws->l_state.vertical_flip);
 }
 
 void
@@ -3137,6 +3148,9 @@ horizontal_config(struct workspace *ws, int id)
                if (ws->l_state.horizontal_stacks > 1)
                        ws->l_state.horizontal_stacks--;
                break;
+       case SWM_ARG_ID_FLIPLAYOUT:
+               ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
+               break;
        default:
                return;
        }
@@ -3147,7 +3161,7 @@ horizontal_stack(struct workspace *ws, struct swm_geometry *g)
 {
        DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
 
-       stack_master(ws, g, 1, 0);
+       stack_master(ws, g, 1, ws->l_state.horizontal_flip);
 }
 
 /* fullscreen view */
@@ -3313,31 +3327,28 @@ iconify(struct swm_region *r, union arg *args)
 }
 
 unsigned char *
-get_win_name(Display *dpy, Window win, unsigned long *slen)
+get_win_name(Window win)
 {
-       int                     status, retfmt;
-       unsigned long           nitems, nbytes, nextra;
        unsigned char           *prop = NULL;
-       Atom                    rettype;
-
-       status = XGetWindowProperty(dpy, win, a_netwmname, 0L, 0L, False,
-           a_utf8_string, &rettype, &retfmt,  &nitems, &nbytes, &prop);
-       if (status != Success)
-               return (NULL);
-       XFree(prop);
+       unsigned long           nbytes, nitems;
 
-       status = XGetWindowProperty(dpy, win, a_netwmname, 0L, nbytes, False,
-           a_utf8_string, &rettype, &retfmt, &nitems, &nextra, &prop);
-       if (status != Success) {
+       /* try _NET_WM_NAME first */
+       if (get_property(win, a_netwmname, 0L, a_utf8_string, NULL, &nbytes,
+           &prop)) {
                XFree(prop);
-               return (NULL);
+               if (get_property(win, a_netwmname, nbytes, a_utf8_string,
+                   &nitems, NULL, &prop))
+                       return (prop);
        }
-       if (rettype != a_utf8_string) {
-               XFree(prop);
+
+       /* fallback to WM_NAME */
+       if (!get_property(win, a_wmname, 0L, a_string, NULL, &nbytes, &prop))
                return (NULL);
-       }
-       *slen = nitems;
-       return (prop);
+       XFree(prop);
+       if (get_property(win, a_wmname, nbytes, a_string, &nitems, NULL, &prop))
+               return (prop);
+
+       return (NULL);
 }
 
 void
@@ -3347,7 +3358,6 @@ uniconify(struct swm_region *r, union arg *args)
        FILE                    *lfile;
        unsigned char           *name;
        int                     count = 0;
-       unsigned long           len;
 
        DNPRINTF(SWM_D_MISC, "uniconify\n");
 
@@ -3379,7 +3389,7 @@ uniconify(struct swm_region *r, union arg *args)
                if (win->iconic == 0)
                        continue;
 
-               name = get_win_name(display, win->id, &len);
+               name = get_win_name(win->id);
                if (name == NULL)
                        continue;
                fprintf(lfile, "%s.%lu\n", name, win->id);
@@ -3536,7 +3546,7 @@ search_resp_uniconify(char *resp, unsigned long len)
        TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
                if (win->iconic == 0)
                        continue;
-               name = get_win_name(display, win->id, &len);
+               name = get_win_name(win->id);
                if (name == NULL)
                        continue;
                if (asprintf(&s, "%s.%lu", name, win->id) == -1) {
@@ -4150,6 +4160,7 @@ move_step(struct swm_region *r, union arg *args)
 /* user/key callable function IDs */
 enum keyfuncid {
        kf_cycle_layout,
+       kf_flip_layout,
        kf_stack_reset,
        kf_master_shrink,
        kf_master_grow,
@@ -4241,6 +4252,7 @@ struct keyfunc {
 } keyfuncs[kf_invalid + 1] = {
        /* name                 function        argument */
        { "cycle_layout",       cycle_layout,   {0} },
+       { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
        { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
        { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
        { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
@@ -4360,13 +4372,13 @@ update_modkey(unsigned int mod)
 
 /* spawn */
 struct spawn_prog {
+       TAILQ_ENTRY(spawn_prog) entry;
        char                    *name;
        int                     argc;
        char                    **argv;
 };
-
-int                            spawns_size = 0, spawns_length = 0;
-struct spawn_prog              *spawns = NULL;
+TAILQ_HEAD(spawn_list, spawn_prog);
+struct spawn_list              spawns = TAILQ_HEAD_INITIALIZER(spawns);
 
 int
 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
@@ -4379,9 +4391,9 @@ spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
        DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
 
        /* find program */
-       for (i = 0; i < spawns_length; i++) {
-               if (!strcasecmp(spawn_name, spawns[i].name))
-                       prog = &spawns[i];
+       TAILQ_FOREACH(prog, &spawns, entry) {
+               if (!strcasecmp(spawn_name, prog->name))
+                       break;
        }
        if (prog == NULL) {
                warnx("spawn_custom: program %s not found", spawn_name);
@@ -4505,120 +4517,102 @@ spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
 }
 
 void
-setspawn(struct spawn_prog *prog)
+spawn_insert(char *name, char *args)
 {
-       int                     i, j;
+       char                    *arg, *cp, *ptr;
+       struct spawn_prog       *sp;
 
-       if (prog == NULL || prog->name == NULL)
-               return;
+       DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
 
-       /* find existing */
-       for (i = 0; i < spawns_length; i++) {
-               if (!strcmp(spawns[i].name, prog->name)) {
-                       /* found */
-                       if (prog->argv == NULL) {
-                               /* delete */
-                               DNPRINTF(SWM_D_SPAWN,
-                                   "setspawn: delete #%d: %s\n",
-                                   i, spawns[i].name);
-                               free(spawns[i].name);
-                               for (j = 0; j < spawns[i].argc; j++)
-                                       free(spawns[i].argv[j]);
-                               free(spawns[i].argv);
-                               j = spawns_length - 1;
-                               if (i < j)
-                                       spawns[i] = spawns[j];
-                               spawns_length--;
-                               free(prog->name);
-                       } else {
-                               /* replace */
-                               DNPRINTF(SWM_D_SPAWN,
-                                   "setspawn: replace #%d: %s\n",
-                                   i, spawns[i].name);
-                               free(spawns[i].name);
-                               for (j = 0; j < spawns[i].argc; j++)
-                                       free(spawns[i].argv[j]);
-                               free(spawns[i].argv);
-                               spawns[i] = *prog;
-                       }
-                       /* found case handled */
-                       free(prog);
-                       return;
-               }
+       if ((sp = calloc(1, sizeof *sp)) == NULL)
+               err(1, "spawn_insert: malloc");
+       if ((sp->name = strdup(name)) == NULL)
+               err(1, "spawn_insert: strdup");
+
+       /* convert the arguments to an argument list */
+       if ((ptr = cp = strdup(args)) == NULL)
+               err(1, "spawn_insert: strdup");
+       while ((arg = strsep(&ptr, " \t")) != NULL) {
+               /* empty field; skip it */
+               if (*arg == '\0')
+                       continue;
+
+               sp->argc++;
+               if ((sp->argv = realloc(sp->argv, sp->argc *
+                   sizeof *sp->argv)) == NULL)
+                       err(1, "spawn_insert: realloc");
+               if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
+                       err(1, "spawn_insert: strdup");
        }
+       free(cp);
 
-       if (prog->argv == NULL) {
-               warnx("error: setspawn: cannot find program: %s", prog->name);
-               free(prog);
+       TAILQ_INSERT_TAIL(&spawns, sp, entry);
+       DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
+}
+
+void
+spawn_remove(struct spawn_prog *sp)
+{
+       int                     i;
+
+       DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
+
+       TAILQ_REMOVE(&spawns, sp, entry);
+       for (i = 0; i < sp->argc; i++)
+               free(sp->argv[i]);
+       free(sp->argv);
+       free(sp->name);
+       free(sp);
+
+       DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
+}
+
+void
+spawn_replace(struct spawn_prog *sp, char *name, 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(char *name, char *args)
+{
+       struct spawn_prog       *sp;
+
+       DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
+
+       if (name == NULL)
                return;
-       }
 
-       /* not found: add */
-       if (spawns_size == 0 || spawns == NULL) {
-               spawns_size = 4;
-               DNPRINTF(SWM_D_SPAWN, "setspawn: init list %d\n", spawns_size);
-               spawns = malloc((size_t)spawns_size *
-                   sizeof(struct spawn_prog));
-               if (spawns == NULL) {
-                       warn("setspawn: malloc failed");
-                       quit(NULL, NULL);
-               }
-       } else if (spawns_length == spawns_size) {
-               spawns_size *= 2;
-               DNPRINTF(SWM_D_SPAWN, "setspawn: grow list %d\n", spawns_size);
-               spawns = realloc(spawns, (size_t)spawns_size *
-                   sizeof(struct spawn_prog));
-               if (spawns == NULL) {
-                       warn("setspawn: realloc failed");
-                       quit(NULL, NULL);
+       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;
                }
        }
-
-       if (spawns_length < spawns_size) {
-               DNPRINTF(SWM_D_SPAWN, "setspawn: add #%d %s\n",
-                   spawns_length, prog->name);
-               i = spawns_length++;
-               spawns[i] = *prog;
-       } else {
-               warnx("spawns array problem?");
-               if (spawns == NULL) {
-                       warnx("spawns array is NULL!");
-                       quit(NULL, NULL);
-               }
+       if (*args == '\0') {
+               warnx("error: setspawn: cannot find program: %s", name);
+               return;
        }
-       free(prog);
+
+       spawn_insert(name, args);
+       DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
 }
 
 int
 setconfspawn(char *selector, char *value, int flags)
 {
-       struct spawn_prog       *prog;
-       char                    *vp, *cp, *word;
-
        DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
-       if ((prog = calloc(1, sizeof *prog)) == NULL)
-               err(1, "setconfspawn: calloc prog");
-       prog->name = strdup(selector);
-       if (prog->name == NULL)
-               err(1, "setconfspawn prog->name");
-       if ((cp = vp = strdup(value)) == NULL)
-               err(1, "setconfspawn: strdup(value) ");
-       while ((word = strsep(&cp, " \t")) != NULL) {
-               DNPRINTF(SWM_D_SPAWN, "setconfspawn: arg [%s]\n", word);
-               if (cp)
-                       cp += (long)strspn(cp, " \t");
-               if (strlen(word) > 0) {
-                       prog->argc++;
-                       if ((prog->argv = realloc(prog->argv,
-                           prog->argc * sizeof(char *))) == NULL)
-                               err(1, "setconfspawn: realloc");
-                       if ((prog->argv[prog->argc - 1] = strdup(word)) == NULL)
-                               err(1, "setconfspawn: strdup");
-               }
-       }
-       free(vp);
 
-       setspawn(prog);
+       setspawn(selector, value);
 
        DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
        return (0);
@@ -4796,7 +4790,7 @@ setconfbinding(char *selector, char *value, int flags)
        enum keyfuncid          kfid;
        unsigned int            mod;
        KeySym                  ks;
-       int                     i;
+       struct spawn_prog       *sp;
        DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
        if (selector == NULL) {
                DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
@@ -4821,13 +4815,13 @@ setconfbinding(char *selector, char *value, int flags)
                }
        }
        /* search by custom spawn name */
-       for (i = 0; i < spawns_length; i++) {
-               if (strcasecmp(selector, spawns[i].name) == 0) {
+       TAILQ_FOREACH(sp, &spawns, entry) {
+               if (strcasecmp(selector, sp->name) == 0) {
                        DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
                            selector);
                        if (parsekeys(value, mod_key, &mod, &ks) == 0) {
                                setkeybinding(mod, ks, kf_spawn_custom,
-                                   spawns[i].name);
+                                   sp->name);
                                return (0);
                        } else
                                return (1);
@@ -4841,6 +4835,7 @@ void
 setup_keys(void)
 {
        setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
+       setkeybinding(MODKEY|ShiftMask, XK_backslash,   kf_flip_layout, NULL);
        setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
        setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
        setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);