2 files changed, 99 insertions, 0 deletions
diff --git a/apps/home_menu/main.cpp b/apps/home_menu/main.cpp
new file mode 100644
index 0000000..02965c3
--- /dev/null
+++ b/apps/home_menu/main.cpp
@@ -0,0 +1,71 @@
+#include <stdio.h>
+#include "pico/stdlib.h"
+
+#include "../../globals.hpp"
+#include "../../app_manager.hpp"
+#include "main.hpp"
+
+extern bool rtc_get_datetime(datetime_t *t);
+
+void app_home_menu::title_str(char *buf, uint buf_size, const datetime_t *t) {
+    snprintf(buf,
+            buf_size,
+            "%d:%02d Home Menu",
+            t->hour,
+            t->min,
+            t->sec);
+};
+
+void app_home_menu::show_title(Api *app_api) {
+    char datetime_buf[256];
+    char *datetime_str = &datetime_buf[0];
+    datetime_t t;
+    app_api->datetime_get(&t);
+
+    // title with time
+    title_str(datetime_str, sizeof(datetime_buf), &t);
+    app_api->gui_header_text((std::string)datetime_str);
+}
+
+// Rendering of app
+int app_home_menu::render(Api *app_api) {
+    show_title(app_api);
+    app_api->display_write_string(0,5,3, display_app_name, FONT_12x16, 0, 1);
+    return 0;
+}
+
+// Example of how button inputs could be interpreted.
+// Drawing on screen should be done in the render function.
+int app_home_menu::btnpressed(Api *app_api, uint gpio, unsigned long delta) {
+    switch (gpio) {
+        case BUTTON_SELECT:
+            app_switch_request( selected_app);
+            return 0;
+        case BUTTON_DOWN:
+            selected_app--;
+            break;
+        case BUTTON_UP:
+            selected_app++;
+            break;
+    }
+    if (selected_app > NUMBER_OF_APPS-1) {
+        selected_app = NUMBER_OF_APPS-1;
+    } else if (selected_app < 0) {
+        selected_app = 0;
+    }
+    // Add spaces to avoid "ghost" characters from app names displayed before
+    snprintf(display_app_name, SIZE_APP_NAME, "%s             ", APPS_NAME[selected_app]);
+    return 0;
+}
+
+// Initlisation of the app.
+app_home_menu::app_home_menu(Api *app_api) {
+    app_api->performance_set(Api::perf_modes::LOW_POWER);
+    selected_app = 0;
+    snprintf(display_app_name, SIZE_APP_NAME, "%s", APPS_NAME[0]);
+}
+
+// Processor intensive operations and functions related to drawing to the screen should only be done when the app is in_foreground(=1). This function is only called when the app is init.
+int app_home_menu::bgrefresh(Api *app_api, bool in_foreground) {
+    return 1;
+}
diff --git a/apps/home_menu/main.hpp b/apps/home_menu/main.hpp
new file mode 100644
index 0000000..421789b
--- /dev/null
+++ b/apps/home_menu/main.hpp
@@ -0,0 +1,28 @@
+#pragma once
+
+#include "pico/util/datetime.h"
+
+// Includes also buttons, API and ss_oled
+#include "../../base_app.hpp"
+
+#define NUMBER_OF_APPS 3
+#define SIZE_APP_NAME 12
+
+class app_home_menu : public BaseApp {
+    private:
+        const char *APPS_NAME[NUMBER_OF_APPS] = {"Home", "Clock", "Settings"};
+        int selected_app = 0;
+        char display_app_name[SIZE_APP_NAME];
+
+        void title_str(char *buf, uint buf_size, const datetime_t *t);
+        void show_title(Api *app_api);
+    public:
+        uint app_id = 0;
+        bool app_destroy_on_exit = false;
+        
+        app_home_menu(Api *app_api);
+        int render(Api *app_api);
+        int btnpressed(Api *app_api, uint gpio, unsigned long delta);
+        int bgrefresh(Api *app_api, bool in_foreground);
+        ~app_home_menu();
+};