From 65a777596439eed236c1ec0e9d029066a6dfe1c6 Mon Sep 17 00:00:00 2001
From: Mateusz Faderewski <sc@mateuszfaderewski.pl>
Date: Mon, 14 Aug 2023 21:50:13 +0200
Subject: [PATCH] Moved RTC update function outside of draw procedure

Previous implementation caused increased drawing time when RTC datetime needed update every second
---
 src/menu/menu.c          | 3 +++
 src/menu/menu_state.h    | 3 +++
 src/menu/views/browser.c | 6 ++----
 3 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/menu/menu.c b/src/menu/menu.c
index 2329d06b..6b32eaef 100644
--- a/src/menu/menu.c
+++ b/src/menu/menu.c
@@ -1,4 +1,5 @@
 #include <stdlib.h>
+#include <time.h>
 
 #include <libdragon.h>
 
@@ -162,6 +163,8 @@ void menu_run (boot_params_t *boot_params) {
                     boot_pending = true;
                 }
             }
+
+            time(&menu->current_time);
         }
 
         while (audio_can_write()) {
diff --git a/src/menu/menu_state.h b/src/menu/menu_state.h
index 148cf002..97aa8e5a 100644
--- a/src/menu/menu_state.h
+++ b/src/menu/menu_state.h
@@ -8,6 +8,7 @@
 #define MENU_STRUCT_H__
 
 
+#include <time.h>
 #include "boot/boot.h"
 #include "flashcart/flashcart.h"
 #include "path.h"
@@ -64,6 +65,8 @@ typedef struct {
 
     char *error_message;
 
+    time_t current_time;
+
     struct {
         bool go_up;
         bool go_down;
diff --git a/src/menu/views/browser.c b/src/menu/views/browser.c
index cec47fae..15b7adfe 100644
--- a/src/menu/views/browser.c
+++ b/src/menu/views/browser.c
@@ -262,14 +262,12 @@ static void draw (menu_t *menu, surface_t *d) {
         menu->browser.entries == 0 ? "" : "R: Info"
     );
 
-    time_t current_time = time(NULL);
-
-    if (current_time >= 0) {
+    if (menu->current_time >= 0) {
         component_actions_bar_text_draw(
             ALIGN_CENTER, VALIGN_TOP,
             "\n"
             "%s",
-            ctime(&current_time)
+            ctime(&menu->current_time)
         );
     }