1 files changed, 93 insertions, 0 deletions
diff --git a/apps/main_clock/main.cpp b/apps/main_clock/main.cpp
new file mode 100644
index 0000000..78be6fd
--- /dev/null
+++ b/apps/main_clock/main.cpp
@@ -0,0 +1,93 @@
+#include <stdio.h>
+#include "pico/stdlib.h"
+
+#include "main.hpp"
+
+// TODO in this app
+// - No need for ask_user_choice and user_choice to be a ptr as the app is now encapsulated in a class.
+
+// Time as string
+// Adapted from pico-sdk/scr/common/pico_util/datetime.c
+void app_main_clock::time_as_str(char *buf, uint buf_size, const datetime_t *t) {
+    snprintf(buf,
+            buf_size,
+            "%d:%02d:%02d ",
+            t->hour,
+            t->min,
+            t->sec);
+};
+
+void app_main_clock::date_as_str(char *buf, uint buf_size, const datetime_t *t) {
+    static const char *DATETIME_DOWS[7] = {
+        "Sun",
+        "Mon",
+        "Tue",
+        "Wed",
+        "Thu",
+        "Fri",
+        "Sat",
+    };
+    snprintf(buf,
+            buf_size,
+            "%02d-%02d-%02d %s",
+            t->year,
+            t->month,
+            t->day,
+            DATETIME_DOWS[t->dotw]);
+};
+
+void app_main_clock::show_datetime(Api *app_api) {
+    char datetime_buf[256];
+    char *datetime_str = &datetime_buf[0];
+    datetime_t t;
+    app_api->datetime_get(&t);
+
+    // time
+    time_as_str(datetime_str, sizeof(datetime_buf), &t);
+    app_api->display_write_string(0,10,3, datetime_str, FONT_12x16, 0, 1);
+
+    // date
+    date_as_str(datetime_str, sizeof(datetime_buf), &t);
+    app_api->gui_footer_text((std::string)datetime_str);
+}
+
+// Rendering of the app
+int app_main_clock::render(Api *app_api) {
+    app_api->gui_header_text("Test clock", 17);
+    show_datetime(app_api);
+    if (*ask_user_choice) {
+        *user_choice = app_api->gui_popup_strchoice("Ohh!", "Make a good choice:", choices, 5, 0, -1, *user_choice);
+        *ask_user_choice = false;
+    }
+    app_api->gui_footer_text(choices[*user_choice],0,1);
+    return 0;
+}
+
+// Interpretation of button inputs
+int app_main_clock::btnpressed(Api *app_api, uint gpio, unsigned long delta) {
+    if (gpio == BUTTON_MODE)
+        *ask_user_choice = true;
+    return 0;
+}
+
+// Initlisation of the app.
+app_main_clock::app_main_clock(Api *app_api) {
+    app_api->performance_set(Api::perf_modes::LOW_POWER);
+
+    ask_user_choice = new bool; *ask_user_choice = false;
+    user_choice = new int; *user_choice = 0;
+    // if (!(user_choice or ask_user_choice))
+        // return Api::app_init_return_status::MALLOC_FAILED;
+    // return Api::app_init_return_status::OK;
+}
+
+// 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_main_clock::bgrefresh(Api *app_api, bool in_foreground) {
+    return 1;
+}
+
+// Destruction of app, deinitlisation should be done here. This is only called if the app's APPS_DESTROY_ON_EXIT is set to 1. When it is not a "service" app.
+app_main_clock::~app_main_clock() {
+    delete ask_user_choice; ask_user_choice = 0;
+    delete user_choice; user_choice = 0;
+}