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Add flip_layout keyinding.
[spectrwm.git] / scrotwm.c
index cb25ad4..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)
@@ -1215,10 +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);
 }
 
@@ -1227,9 +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
@@ -3091,6 +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;
        }
@@ -3101,7 +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
@@ -3138,6 +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;
        }
@@ -3148,7 +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 */
@@ -3322,7 +3335,7 @@ get_win_name(Window win)
        /* try _NET_WM_NAME first */
        if (get_property(win, a_netwmname, 0L, a_utf8_string, NULL, &nbytes,
            &prop)) {
-               XFree(prop);
+               XFree(prop);
                if (get_property(win, a_netwmname, nbytes, a_utf8_string,
                    &nitems, NULL, &prop))
                        return (prop);
@@ -3330,7 +3343,7 @@ get_win_name(Window win)
 
        /* fallback to WM_NAME */
        if (!get_property(win, a_wmname, 0L, a_string, NULL, &nbytes, &prop))
-               return (NULL);
+               return (NULL);
        XFree(prop);
        if (get_property(win, a_wmname, nbytes, a_string, &nitems, NULL, &prop))
                return (prop);
@@ -4147,6 +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,
@@ -4238,6 +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} },
@@ -4357,13 +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,
@@ -4376,9 +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);
@@ -4502,120 +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);
+
+       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");
+}
 
-       if (prog->argv == NULL) {
-               warnx("error: setspawn: cannot find program: %s", prog->name);
-               free(prog);
+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);
@@ -4793,7 +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);
@@ -4818,13 +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);
@@ -4838,6 +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);