Add disk button and refactor date_update

1 files changed, 54 insertions, 34 deletions

diff --git a/src/comet.c b/src/comet.c
index 98beb74..2bf642a 100644
--- a/src/comet.c
+++ b/src/comet.c
@@ -3,6 +3,8 @@
 #include <glib-unix.h>
 #include <time.h>
 #include <unistd.h>
+#include <sys/statvfs.h>
+#include <locale.h>
 
 #include "window.h"
 #include "log.h"
@@ -12,20 +14,6 @@
 
 #define EVEN(n) ((int)(n) - ((int)(n) % 2 != 0))
 
-static gboolean mainloop_quit(gpointer data)
-{
-    g_main_loop_quit(data);
-    return G_SOURCE_CONTINUE;
-}
-
-//static gboolean mainloop_draw(gpointer data)
-//{
-//    State *state = data;
-//    draw_compute_layout(state->draw, state->win, state->btns);
-//    draw_paint(state->draw, state->win);
-//    return G_SOURCE_CONTINUE;
-//}
-
 static void log_handler(const char *log_domain,
                         GLogLevelFlags level,
                         const char *message,
@@ -42,21 +30,48 @@ static void log_handler(const char *log_domain,
         g_print("%s\n", message);
 }
 
-typedef struct {
-    State *state;
-    Button *btn;
-    timer_t timer;
-} Date_Handler;
 
-static gboolean date_update(Date_Handler *date_ctx)
+static gboolean mainloop_quit(gpointer data)
+{
+    g_main_loop_quit(data);
+    return G_SOURCE_CONTINUE;
+}
+
+static gboolean disk_update(gpointer data)
+{
+    Button *btn = data;
+
+    struct statvfs buffer;
+    g_assert(statvfs("/", &buffer) == 0);
+
+    const double total = buffer.f_blocks * buffer.f_frsize;
+    const double available = buffer.f_bfree * buffer.f_frsize;
+    const double used = total - available;
+
+    g_free(btn->text);
+    btn->text = g_strdup_printf("  %d%%", (int)round((used / total) * 100.0));
+
+    log_debug("Updated disk percentage");
+    state_redraw(btn->action_data);
+    return G_SOURCE_CONTINUE;
+}
+
+static gboolean date_update(gpointer data)
 {
-    g_free(date_ctx->btn->text);
+    Button *btn = data;
+
+    g_free(btn->text);
     GDateTime *time = g_date_time_new_now_local();
     char *date = g_date_time_format(time, "%A %d    %H:%M");
     g_assert(date != NULL);
-    date_ctx->btn->text = date;
+    btn->text = date;
+
+    struct {
+        State *state;
+        timer_t timer;
+    } *date_ctx = btn->action_data;
 
-    log_debug("Updated date");
+    log_debug("Updated date and time");
     state_redraw(date_ctx->state);
 
     struct timespec current;
@@ -69,7 +84,6 @@ static gboolean date_update(Date_Handler *date_ctx)
     return G_SOURCE_CONTINUE;
 }
 
-
 static void show_action(Button *btn)
 {
     log_info("Called action: %s", btn->text);
@@ -83,6 +97,7 @@ static void quit_action(Button *btn)
 
 int main(int argc, char **argv)
 {
+    setlocale(LC_CTYPE, "");
     g_log_set_default_handler(log_handler, (gpointer)G_LOG_LEVEL_DEBUG);
 
     GMainLoop *mainloop = g_main_loop_new(NULL, FALSE);
@@ -118,23 +133,30 @@ int main(int argc, char **argv)
         state_add_button(state, btn);
     }
 
-    Button *long_btn = button_create("long button", PANGO_ALIGN_RIGHT);
-    button_set_colors(long_btn, background, foreground, stroke);
-    button_set_action(long_btn, show_action, NULL);
-    state_add_button(state, long_btn);
+    Button *disk_btn = button_create("disk", PANGO_ALIGN_RIGHT);
+    button_set_colors(disk_btn, background, foreground, stroke);
+    button_set_action(disk_btn, show_action, state);
+    state_add_button(state, disk_btn);
+
+    disk_update(disk_btn);
+    g_timeout_add(60 * 1000, disk_update, disk_btn);
+
+    struct {
+        State *state;
+        timer_t timer;
+    } date_ctx = { state, 0 };
 
     Button *date_btn = button_create("date", PANGO_ALIGN_CENTER);
     button_set_colors(date_btn, background, foreground, stroke);
-    button_set_action(date_btn, show_action, NULL);
+    button_set_action(date_btn, show_action, &date_ctx);
     state_add_button(state, date_btn);
 
     struct sigevent sev = { 0 };
     sev.sigev_notify = SIGEV_SIGNAL;
     sev.sigev_signo = SIGUSR1;
 
-    Date_Handler date_ctx = { state, date_btn, 0 };
     g_assert(timer_create(CLOCK_REALTIME, &sev, &date_ctx.timer) == 0);
-    date_update(&date_ctx);
+    date_update(date_btn);
 
     // purple
     Color background2 = { 0.502, 0.168, 0.886, 1 };
@@ -146,12 +168,10 @@ int main(int argc, char **argv)
     connect_attach_state(con, state);
     connect_attach_source(con);
 
-    guint source_alrm = g_unix_signal_add(SIGUSR1, (void *)date_update, &date_ctx);
+    guint source_alrm = g_unix_signal_add(SIGUSR1, date_update, date_btn);
     guint source_term = g_unix_signal_add(SIGTERM, mainloop_quit, mainloop);
     guint source_int  = g_unix_signal_add(SIGINT,  mainloop_quit, mainloop);
 
-    // TODO: Redraw only when needed (dirty flag)
-    //guint id = g_timeout_add(1000, mainloop_draw, state);
     state_redraw(state);
 
     log_debug("Starting main loop");