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#include <stdio.h>
#include "pico/stdlib.h"
#include "home_menu.hpp"
#include "../api.hpp"
#include "../buttons.hpp"
extern void app_switch(int old_appid, int new_appid);
extern bool rtc_get_datetime(datetime_t *t);
#define NUMBER_OF_APPS 2
#define SIZE_APP_NAME 12
namespace app_home_menu {
const char *APPS_NAME[NUMBER_OF_APPS] = {"Home", "Clock"};
int *selected_app = nullptr;
char *display_app_name = nullptr;
void 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 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 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 btnpressed(Api *app_api, uint gpio) {
switch (gpio) {
case BUTTON_SELECT:
app_switch(0, *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.
int init(Api *app_api) {
app_api->performance_set(Api::perf_modes::LOW_POWER);
selected_app = new int; *selected_app = 0;
display_app_name = new char[SIZE_APP_NAME]{' '};
if (!(selected_app or display_app_name))
return Api::app_init_return_status::MALLOC_FAILED;
snprintf(display_app_name, SIZE_APP_NAME, "%s", APPS_NAME[0]); // Could also use strncpy
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 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.
int destroy(Api *app_api) {
delete selected_app; selected_app = nullptr;
delete[] display_app_name; display_app_name = nullptr;
return 0;
}
}
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