New Apps - Lot 1 (#27)
* New Apps - Lot 1 Trying to mix it up a little with some fun, useful and just weird. Adds more new apps... Brainfuck Breakout Magic 8 Ball Todo List Also re-organised the app name part of main.yml * Fix build? * fixes * and some more * Update Brainfuck.cpp * i heard you like fixes with your fixes * no hard coded paths
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Shadowtrance
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#include "TodoList.h"
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#include <tt_app.h>
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#include <tt_lock.h>
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#include <Tactility/kernel/Kernel.h>
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#include <tt_lvgl_toolbar.h>
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#include <tt_lvgl_keyboard.h>
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#include <tactility/lvgl_module.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <unistd.h>
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static constexpr const char* SAVE_FILENAME = "todos.txt";
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/* File-scope instance pointer for index-based callbacks */
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static TodoList* g_instance = nullptr;
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static AppHandle s_appHandle = nullptr;
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/* ── Helpers ──────────────────────────────────────────────────────── */
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static bool getSaveFilePath(char* buf, size_t bufSize) {
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if (!s_appHandle) return false;
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size_t size = bufSize;
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tt_app_get_user_data_child_path(s_appHandle, SAVE_FILENAME, buf, &size);
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return size > 0;
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}
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static bool ensureDir() {
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if (!s_appHandle) return false;
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char dir[256];
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size_t size = sizeof(dir);
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tt_app_get_user_data_path(s_appHandle, dir, &size);
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if (size == 0) return false;
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mkdir(dir, 0755);
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return true;
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}
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static int getToolbarHeight(UiDensity density) {
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return (density == LVGL_UI_DENSITY_COMPACT) ? 22 : 40;
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}
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/* ── Persistence ──────────────────────────────────────────────────── */
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void TodoList::saveTodos() {
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if (!ensureDir()) return;
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char savePath[256];
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if (!getSaveFilePath(savePath, sizeof(savePath))) return;
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auto lock = tt_lock_alloc_for_path(savePath);
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if (!lock) return;
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if (tt_lock_acquire(lock, tt::kernel::MAX_TICKS)) {
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FILE* f = fopen(savePath, "w");
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if (f) {
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for (int i = 0; i < count; i++) {
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fprintf(f, "%c %s\n", items[i].done ? '+' : '-', items[i].text);
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}
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fclose(f);
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}
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tt_lock_release(lock);
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}
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tt_lock_free(lock);
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}
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void TodoList::loadTodos() {
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char savePath[256];
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if (!getSaveFilePath(savePath, sizeof(savePath))) return;
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auto lock = tt_lock_alloc_for_path(savePath);
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if (!lock) return;
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if (tt_lock_acquire(lock, tt::kernel::MAX_TICKS)) {
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count = 0;
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FILE* f = fopen(savePath, "r");
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if (f) {
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char line[MAX_TEXT_LEN + 4];
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while (count < MAX_TODOS && fgets(line, sizeof(line), f)) {
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size_t len = strlen(line);
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while (len > 0 && (line[len - 1] == '\n' || line[len - 1] == '\r')) {
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line[--len] = '\0';
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}
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if (len < 3 || line[1] != ' ') continue;
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TodoItem* item = &items[count];
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item->done = (line[0] == '+');
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strncpy(item->text, &line[2], MAX_TEXT_LEN - 1);
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item->text[MAX_TEXT_LEN - 1] = '\0';
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count++;
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}
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fclose(f);
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}
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tt_lock_release(lock);
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}
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tt_lock_free(lock);
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}
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/* ── UI Helpers ───────────────────────────────────────────────────── */
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void TodoList::updateCountLabel() {
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if (!countLabel) return;
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int pending = 0;
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for (int i = 0; i < count; i++) {
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if (!items[i].done) pending++;
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}
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if (pending > 0) {
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lv_label_set_text_fmt(countLabel, "%d left", pending);
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} else if (count > 0) {
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lv_label_set_text(countLabel, "All done!");
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} else {
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lv_label_set_text(countLabel, "No tasks");
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}
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}
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void TodoList::addItem(const char* text) {
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if (!text || !text[0]) return;
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if (count >= MAX_TODOS) return;
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while (*text == ' ') text++;
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if (!*text) return;
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TodoItem* item = &items[count];
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item->done = false;
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strncpy(item->text, text, MAX_TEXT_LEN - 1);
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item->text[MAX_TEXT_LEN - 1] = '\0';
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size_t len = strlen(item->text);
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while (len > 0 && item->text[len - 1] == ' ') {
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item->text[--len] = '\0';
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}
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count++;
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saveTodos();
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rebuildList();
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}
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void TodoList::scheduleRebuild() {
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if (rebuildPending) return;
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rebuildPending = true;
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rebuildTimer = lv_timer_create(onDeferredRebuild, 0, this);
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if (!rebuildTimer) {
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rebuildPending = false;
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return;
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}
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lv_timer_set_repeat_count(rebuildTimer, 1);
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}
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void TodoList::onDeferredRebuild(lv_timer_t* timer) {
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TodoList* self = static_cast<TodoList*>(lv_timer_get_user_data(timer));
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if (self) {
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self->rebuildTimer = nullptr;
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self->rebuildPending = false;
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self->rebuildList();
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}
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}
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void TodoList::rebuildList() {
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if (!list) return;
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lv_obj_clean(list);
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UiDensity uiDensity = lvgl_get_ui_density();
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int toolbarHeight = getToolbarHeight(uiDensity);
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int btnSize = (uiDensity == LVGL_UI_DENSITY_COMPACT) ? toolbarHeight - 8 : toolbarHeight - 6;
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if (count == 0) {
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lv_list_add_text(list, "No tasks yet. Add one below!");
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}
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for (int i = 0; i < count; i++) {
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TodoItem* item = &items[i];
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char display[MAX_TEXT_LEN + 8];
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snprintf(display, sizeof(display), "%s %s", item->done ? LV_SYMBOL_OK : LV_SYMBOL_DUMMY, item->text);
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lv_obj_t* btn = lv_list_add_button(list, NULL, display);
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if (item->done) {
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lv_obj_set_style_text_opa(btn, LV_OPA_50, LV_PART_MAIN);
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}
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lv_obj_add_event_cb(btn, onItemClicked, LV_EVENT_SHORT_CLICKED, (void*)(intptr_t)i);
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lv_obj_t* delBtn = lv_button_create(btn);
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lv_obj_set_size(delBtn, btnSize, btnSize);
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lv_obj_align(delBtn, LV_ALIGN_RIGHT_MID, 0, 0);
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lv_obj_set_style_bg_color(delBtn, lv_palette_main(LV_PALETTE_RED), LV_PART_MAIN);
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lv_obj_set_style_pad_all(delBtn, 0, LV_PART_MAIN);
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lv_obj_set_style_shadow_width(delBtn, 0, LV_PART_MAIN);
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lv_obj_t* delIcon = lv_label_create(delBtn);
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lv_label_set_text(delIcon, LV_SYMBOL_CLOSE);
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lv_obj_center(delIcon);
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lv_obj_add_event_cb(delBtn, onDeleteClicked, LV_EVENT_CLICKED, (void*)(intptr_t)i);
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}
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updateCountLabel();
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}
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/* ── Callbacks ────────────────────────────────────────────────────── */
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void TodoList::onItemClicked(lv_event_t* e) {
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if (!g_instance) return;
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int idx = (int)(intptr_t)lv_event_get_user_data(e);
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if (idx < 0 || idx >= g_instance->count) return;
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g_instance->items[idx].done = !g_instance->items[idx].done;
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g_instance->saveTodos();
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g_instance->scheduleRebuild();
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}
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void TodoList::onDeleteClicked(lv_event_t* e) {
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if (!g_instance) return;
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int idx = (int)(intptr_t)lv_event_get_user_data(e);
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if (idx < 0 || idx >= g_instance->count) return;
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for (int i = idx; i < g_instance->count - 1; i++) {
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g_instance->items[i] = g_instance->items[i + 1];
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}
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g_instance->count--;
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g_instance->saveTodos();
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g_instance->scheduleRebuild();
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}
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void TodoList::onAddClicked(lv_event_t* e) {
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if (!g_instance || !g_instance->inputTa) return;
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const char* text = lv_textarea_get_text(g_instance->inputTa);
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g_instance->addItem(text);
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lv_textarea_set_text(g_instance->inputTa, "");
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}
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void TodoList::onInputReady(lv_event_t* e) {
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onAddClicked(e);
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}
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void TodoList::onClearDoneClicked(lv_event_t* e) {
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if (!g_instance) return;
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int write = 0;
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for (int read = 0; read < g_instance->count; read++) {
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if (!g_instance->items[read].done) {
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if (write != read) {
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g_instance->items[write] = g_instance->items[read];
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}
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write++;
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}
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}
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g_instance->count = write;
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g_instance->saveTodos();
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g_instance->scheduleRebuild();
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}
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/* ── Lifecycle ────────────────────────────────────────────────────── */
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void TodoList::onShow(AppHandle app, lv_obj_t* parent) {
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g_instance = this;
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s_appHandle = app;
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loadTodos();
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lv_obj_remove_flag(parent, LV_OBJ_FLAG_SCROLLABLE);
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lv_obj_set_flex_flow(parent, LV_FLEX_FLOW_COLUMN);
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/* Toolbar */
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lv_obj_t* toolbar = tt_lvgl_toolbar_create_for_app(parent, app);
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lv_obj_align(toolbar, LV_ALIGN_TOP_MID, 0, 0);
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lv_obj_t* countWrapper = lv_obj_create(toolbar);
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lv_obj_set_size(countWrapper, LV_SIZE_CONTENT, LV_PCT(100));
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lv_obj_set_style_pad_top(countWrapper, 4, LV_STATE_DEFAULT);
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lv_obj_set_style_pad_bottom(countWrapper, 0, LV_STATE_DEFAULT);
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lv_obj_set_style_pad_left(countWrapper, 0, LV_STATE_DEFAULT);
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lv_obj_set_style_pad_right(countWrapper, 4, LV_STATE_DEFAULT);
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lv_obj_set_style_pad_row(countWrapper, 0, LV_STATE_DEFAULT);
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lv_obj_set_style_pad_column(countWrapper, 0, LV_STATE_DEFAULT);
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lv_obj_set_style_border_width(countWrapper, 0, LV_STATE_DEFAULT);
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lv_obj_set_style_bg_opa(countWrapper, 0, LV_STATE_DEFAULT);
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lv_obj_remove_flag(countWrapper, LV_OBJ_FLAG_SCROLLABLE);
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countLabel = lv_label_create(countWrapper);
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lv_obj_set_size(countLabel, LV_SIZE_CONTENT, LV_SIZE_CONTENT);
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lv_obj_align(countLabel, LV_ALIGN_CENTER, 0, 0);
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lv_obj_set_style_text_align(countLabel, LV_TEXT_ALIGN_LEFT, LV_STATE_DEFAULT);
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lv_obj_set_style_text_font(countLabel, lv_font_get_default(), 0);
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lv_obj_set_style_text_color(countLabel, lv_palette_main(LV_PALETTE_CYAN), LV_PART_MAIN);
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UiDensity uiDensity = lvgl_get_ui_density();
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int toolbarHeight = getToolbarHeight(uiDensity);
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lv_obj_t* btnWrapper = lv_obj_create(toolbar);
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lv_obj_set_width(btnWrapper, LV_SIZE_CONTENT);
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lv_obj_set_flex_flow(btnWrapper, LV_FLEX_FLOW_ROW);
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lv_obj_set_style_pad_all(btnWrapper, 2, LV_STATE_DEFAULT);
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lv_obj_set_style_pad_column(btnWrapper, 4, LV_STATE_DEFAULT);
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lv_obj_set_style_border_width(btnWrapper, 0, LV_STATE_DEFAULT);
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lv_obj_set_style_bg_opa(btnWrapper, 0, LV_STATE_DEFAULT);
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int btnSize = (uiDensity == LVGL_UI_DENSITY_COMPACT)
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? toolbarHeight - 8
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: toolbarHeight - 6;
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lv_obj_t* clearBtn = lv_button_create(btnWrapper);
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lv_obj_set_size(clearBtn, btnSize, btnSize);
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lv_obj_set_style_pad_all(clearBtn, 0, LV_STATE_DEFAULT);
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lv_obj_align(clearBtn, LV_ALIGN_CENTER, 0, 0);
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lv_obj_add_event_cb(clearBtn, onClearDoneClicked, LV_EVENT_CLICKED, nullptr);
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lv_obj_t* clearIcon = lv_label_create(clearBtn);
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lv_label_set_text(clearIcon, LV_SYMBOL_TRASH);
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lv_obj_align(clearIcon, LV_ALIGN_CENTER, 0, 0);
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/* Container */
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lv_obj_t* cont = lv_obj_create(parent);
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lv_obj_set_width(cont, LV_PCT(100));
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lv_obj_set_flex_grow(cont, 1);
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lv_obj_set_flex_flow(cont, LV_FLEX_FLOW_COLUMN);
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lv_obj_set_style_pad_all(cont, 4, 0);
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lv_obj_set_style_pad_gap(cont, 4, 0);
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lv_obj_remove_flag(cont, LV_OBJ_FLAG_SCROLLABLE);
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lv_obj_set_style_border_width(cont, 0, 0);
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/* Scrollable list */
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list = lv_list_create(cont);
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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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/* Input row */
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inputRow = lv_obj_create(cont);
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lv_obj_set_size(inputRow, LV_PCT(100), LV_SIZE_CONTENT);
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lv_obj_set_flex_flow(inputRow, LV_FLEX_FLOW_ROW);
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lv_obj_set_flex_align(inputRow, LV_FLEX_ALIGN_START, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER);
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lv_obj_set_style_pad_all(inputRow, 0, 0);
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lv_obj_set_style_pad_gap(inputRow, 4, 0);
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lv_obj_remove_flag(inputRow, LV_OBJ_FLAG_SCROLLABLE);
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lv_obj_set_style_border_width(inputRow, 0, 0);
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inputTa = lv_textarea_create(inputRow);
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lv_textarea_set_placeholder_text(inputTa, "New task...");
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lv_textarea_set_one_line(inputTa, true);
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lv_obj_set_flex_grow(inputTa, 1);
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lv_obj_set_style_text_font(inputTa, lv_font_get_default(), 0);
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lv_obj_add_event_cb(inputTa, onInputReady, LV_EVENT_READY, nullptr);
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lv_obj_t* addBtn = lv_button_create(inputRow);
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lv_obj_t* addLbl = lv_label_create(addBtn);
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lv_label_set_text(addLbl, LV_SYMBOL_PLUS);
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lv_obj_add_event_cb(addBtn, onAddClicked, LV_EVENT_CLICKED, nullptr);
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rebuildList();
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}
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void TodoList::onHide(AppHandle app) {
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if (rebuildTimer) {
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lv_timer_delete(rebuildTimer);
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rebuildTimer = nullptr;
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}
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rebuildPending = false;
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list = nullptr;
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inputRow = nullptr;
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inputTa = nullptr;
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countLabel = nullptr;
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g_instance = nullptr;
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s_appHandle = nullptr;
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}
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