remove module subfolders

modules/clock.c

@@ -0,0 +1,88 @@
+#include "clock.h"
+#include <stdlib.h>
+#include <time.h>
+#include <assert.h>
+
+#include <poll.h>
+
+#include "../bar.h"
+
+struct private {
+    struct particle *label;
+};
+
+static void
+destroy(struct module *mod)
+{
+    struct private *m = mod->private;
+    m->label->destroy(m->label);
+    free(m);
+    module_default_destroy(mod);
+}
+
+static struct exposable *
+content(struct module *mod)
+{
+    const struct private *m = mod->private;
+    time_t t = time(NULL);
+    struct tm *tm = localtime(&t);
+
+    char time_str[1024];
+    strftime(time_str, sizeof(time_str), "%H:%M", tm);
+
+    char date_str[1024];
+    strftime(date_str, sizeof(date_str), "%e %b", tm);
+
+    struct tag_set tags = {
+        .tags = (struct tag *[]){tag_new_string(mod, "time", time_str),
+                                 tag_new_string(mod, "date", date_str)},
+        .count = 2,
+    };
+
+    struct exposable *exposable = m->label->instantiate(m->label, &tags);
+
+    tag_set_destroy(&tags);
+    return exposable;
+}
+
+static int
+run(struct module_run_context *ctx)
+{
+    const struct bar *bar = ctx->module->bar;
+
+    module_signal_ready(ctx);
+
+    while (true) {
+        time_t now = time(NULL);
+        time_t now_no_secs = now / 60 * 60;
+        assert(now_no_secs % 60 == 0);
+
+        time_t next_min = now_no_secs + 60;
+        time_t timeout = next_min - now;
+        assert(timeout >= 0 && timeout <= 60);
+
+        struct pollfd fds[] = {{.fd = ctx->abort_fd, .events = POLLIN}};
+        poll(fds, 1, timeout * 1000);
+
+        if (fds[0].revents & POLLIN)
+            break;
+
+        bar->refresh(bar);
+    }
+
+    return 0;
+}
+
+struct module *
+module_clock(struct particle *label)
+{
+    struct private *m = malloc(sizeof(*m));
+    m->label = label;
+
+    struct module *mod = module_common_new();
+    mod->private = m;
+    mod->run = &run;
+    mod->destroy = &destroy;
+    mod->content = &content;
+    return mod;
+}