Ken Van Hoeylandt
260 lines
8.1 KiB
C++
260 lines
8.1 KiB
C++
#include <tactility/lvgl_fonts.h>
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#include <tactility/lvgl_icon_shared.h>
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#include <Tactility/app/AppContext.h>
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#include <Tactility/app/AppManifest.h>
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#include <Tactility/app/timezone/TimeZone.h>
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#include <Tactility/LogMessages.h>
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#include <Tactility/MountPoints.h>
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#include <Tactility/StringUtils.h>
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#include <Tactility/Timer.h>
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#include <Tactility/lvgl/LvglSync.h>
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#include <Tactility/lvgl/Toolbar.h>
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#include <Tactility/service/loader/Loader.h>
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#include <Tactility/settings/Time.h>
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#include <tactility/log.h>
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#include <lvgl.h>
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#include <memory>
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namespace tt::app::timezone {
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constexpr auto* TAG = "TimeZone";
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constexpr auto* RESULT_BUNDLE_CODE_INDEX = "code";
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constexpr auto* RESULT_BUNDLE_NAME_INDEX = "name";
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constexpr auto* PARAM_SAVE_TIME_ZONE = "saveTimeZone";
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extern const AppManifest manifest;
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struct TimeZoneEntry {
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std::string name;
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std::string code;
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};
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static bool parseEntry(const std::string& input, std::string& outName, std::string& outCode) {
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std::string partial_strip = input.substr(1, input.size() - 3);
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auto first_end_quote = partial_strip.find('"');
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if (first_end_quote == std::string::npos) {
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return false;
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} else {
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outName = partial_strip.substr(0, first_end_quote);
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outCode = partial_strip.substr(first_end_quote + 3);
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return true;
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}
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}
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// region Result
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std::string getResultName(const Bundle& bundle) {
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std::string result;
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bundle.optString(RESULT_BUNDLE_NAME_INDEX, result);
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return result;
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}
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std::string getResultCode(const Bundle& bundle) {
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std::string result;
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bundle.optString(RESULT_BUNDLE_CODE_INDEX, result);
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return result;
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}
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void setResultName(Bundle& bundle, const std::string& name) {
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bundle.putString(RESULT_BUNDLE_NAME_INDEX, name);
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}
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void setResultCode(Bundle& bundle, const std::string& code) {
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bundle.putString(RESULT_BUNDLE_CODE_INDEX, code);
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}
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// endregion
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class TimeZoneApp final : public App {
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Mutex mutex;
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std::vector<TimeZoneEntry> entries;
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std::unique_ptr<Timer> updateTimer;
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lv_obj_t* listWidget = nullptr;
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lv_obj_t* filterTextareaWidget = nullptr;
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bool saveTimeZone = false;
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static void onTextareaValueChangedCallback(lv_event_t* e) {
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auto* app = (TimeZoneApp*)lv_event_get_user_data(e);
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app->onTextareaValueChanged(e);
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}
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void onTextareaValueChanged(lv_event_t* e) {
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if (mutex.lock(100 / portTICK_PERIOD_MS)) {
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if (updateTimer->isRunning()) {
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updateTimer->stop();
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}
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updateTimer->start();
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mutex.unlock();
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}
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}
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static void onListItemSelectedCallback(lv_event_t* e) {
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auto index = reinterpret_cast<std::size_t>(lv_event_get_user_data(e));
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auto app = std::static_pointer_cast<TimeZoneApp>(getCurrentApp());
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assert(app != nullptr);
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app->onListItemSelected(index);
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}
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void onListItemSelected(std::size_t index) {
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LOG_I(TAG, "Selected item at index %d", (int)index);
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auto& entry = entries[index];
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if (saveTimeZone) {
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settings::setTimeZone(entry.name, entry.code);
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}
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auto bundle = std::make_unique<Bundle>();
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setResultName(*bundle, entry.name);
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setResultCode(*bundle, entry.code);
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setResult(Result::Ok, std::move(bundle));
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stop(manifest.appId);
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}
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static void createListItem(lv_obj_t* list, const std::string& title, size_t index) {
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auto* btn = lv_list_add_button(list, nullptr, title.c_str());
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lv_obj_add_event_cb(btn, &onListItemSelectedCallback, LV_EVENT_SHORT_CLICKED, (void*)index);
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}
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void readTimeZones(std::string filter) {
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auto path = std::string(file::MOUNT_POINT_SYSTEM) + "/timezones.csv";
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auto* file = fopen(path.c_str(), "rb");
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if (file == nullptr) {
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LOG_E(TAG, "Failed to open %s", path.c_str());
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return;
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}
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char line[96];
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std::string name;
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std::string code;
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uint32_t count = 0;
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std::vector<TimeZoneEntry> new_entries;
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while (fgets(line, 96, file)) {
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if (parseEntry(line, name, code)) {
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if (string::lowercase(name).find(filter) != std::string::npos) {
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count++;
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new_entries.push_back({.name = name, .code = code});
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// Safety guard
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if (count > 50) {
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// TODO: Show warning that we're not displaying a complete list
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break;
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}
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}
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} else {
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LOG_E(TAG, "Parse error at line %llu", count);
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}
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}
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fclose(file);
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if (mutex.lock(100 / portTICK_PERIOD_MS)) {
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entries = std::move(new_entries);
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mutex.unlock();
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} else {
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LOG_E(TAG, LOG_MESSAGE_MUTEX_LOCK_FAILED);
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}
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LOG_I(TAG, "Processed %llu entries", count);
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}
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void updateList() {
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if (lvgl::lock(200 / portTICK_PERIOD_MS)) {
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std::string filter = string::lowercase(std::string(lv_textarea_get_text(filterTextareaWidget)));
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lvgl::unlock();
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readTimeZones(filter);
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} else {
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LOG_E(TAG, LOG_MESSAGE_MUTEX_LOCK_FAILED_FMT, "TimeZone LVGL");
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return;
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}
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if (lvgl::lock(200 / portTICK_PERIOD_MS)) {
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if (mutex.lock(100 / portTICK_PERIOD_MS)) {
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lv_obj_clean(listWidget);
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uint32_t index = 0;
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for (auto& entry : entries) {
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createListItem(listWidget, entry.name, index);
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index++;
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}
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mutex.unlock();
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}
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lvgl::unlock();
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} else {
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LOG_E(TAG, LOG_MESSAGE_MUTEX_LOCK_FAILED_FMT, "TimeZone LVGL");
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}
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}
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public:
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void onShow(AppContext& app, lv_obj_t* parent) override {
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lv_obj_set_flex_flow(parent, LV_FLEX_FLOW_COLUMN);
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lv_obj_set_style_pad_row(parent, 0, LV_STATE_DEFAULT);
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lvgl::toolbar_create(parent, app);
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auto* search_wrapper = lv_obj_create(parent);
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lv_obj_set_size(search_wrapper, LV_PCT(100), LV_SIZE_CONTENT);
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lv_obj_set_flex_flow(search_wrapper, LV_FLEX_FLOW_ROW);
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lv_obj_set_flex_align(search_wrapper, LV_FLEX_ALIGN_START, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_START);
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lv_obj_set_style_pad_all(search_wrapper, 0, 0);
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lv_obj_set_style_border_width(search_wrapper, 0, 0);
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auto* icon = lv_image_create(search_wrapper);
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lv_obj_set_style_margin_left(icon, 8, 0);
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lv_obj_set_style_image_recolor_opa(icon, 255, 0);
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lv_obj_set_style_image_recolor(icon, lv_theme_get_color_primary(parent), 0);
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lv_obj_set_style_text_font(icon, lvgl_get_shared_icon_font(), LV_STATE_DEFAULT);
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lv_image_set_src(icon, LVGL_ICON_SHARED_SEARCH);
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auto* textarea = lv_textarea_create(search_wrapper);
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lv_textarea_set_placeholder_text(textarea, "e.g. Europe/Amsterdam");
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lv_textarea_set_one_line(textarea, true);
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lv_obj_add_event_cb(textarea, onTextareaValueChangedCallback, LV_EVENT_VALUE_CHANGED, this);
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filterTextareaWidget = textarea;
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lv_obj_set_flex_grow(textarea, 1);
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auto* list = lv_list_create(parent);
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lv_obj_set_width(list, LV_PCT(100));
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lv_obj_set_flex_grow(list, 1);
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lv_obj_set_style_border_width(list, 0, 0);
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listWidget = list;
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}
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void onCreate(AppContext& app) override {
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auto parameters = app.getParameters();
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if (parameters != nullptr) {
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parameters->optBool(PARAM_SAVE_TIME_ZONE, saveTimeZone);
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}
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updateTimer = std::make_unique<Timer>(Timer::Type::Once, 500 / portTICK_PERIOD_MS, [this] {
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updateList();
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});
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}
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};
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extern const AppManifest manifest = {
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.appId = "TimeZone",
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.appName = "Select Time zone",
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.appCategory = Category::System,
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.appFlags = AppManifest::Flags::Hidden,
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.createApp = create<TimeZoneApp>
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};
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LaunchId start(bool saveTimeZone) {
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auto bundle = std::make_shared<Bundle>();
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bundle->putBool(PARAM_SAVE_TIME_ZONE, saveTimeZone);
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return app::start(manifest.appId, bundle);
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}
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}
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