Ken Van Hoeylandt
258 lines
9.4 KiB
C++
258 lines
9.4 KiB
C++
#include <Tactility/app/notes/Notes.h>
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#include <Tactility/app/fileselection/FileSelection.h>
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#include <Tactility/file/File.h>
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#include <app/event.h>
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#include <app/manager.h>
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#include <app/manifest.h>
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#include <lvgl_window_manager/window_manager.h>
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#include <lvgl.h>
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#include <lvgl/lvgl.h>
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#include <lvgl/widgets/toolbar.h>
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#include <tactility/log.h>
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namespace tt::app::notes {
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constexpr auto* TAG = "Notes";
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extern const ::AppManifest manifest;
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namespace {
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struct Context {
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uint32_t appInstanceId;
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lv_obj_t* uiCurrentFileName = nullptr;
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lv_obj_t* uiDropDownMenu = nullptr;
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lv_obj_t* uiNoteText = nullptr;
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std::string filePath;
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std::string saveBuffer;
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uint32_t loadFileLaunchId = 0;
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uint32_t saveFileLaunchId = 0;
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};
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void resetFileContent(Context* ctx) {
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lv_textarea_set_text(ctx->uiNoteText, "");
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ctx->filePath = "";
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ctx->saveBuffer = "";
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lv_label_set_text(ctx->uiCurrentFileName, "Untitled");
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}
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void openFile(Context* ctx, const std::string& path) {
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// We might be reading from the SD card, which could share a SPI bus with other devices (display)
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file::FileMutexGuard guard(path);
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auto data = file::readString(path);
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if (data != nullptr) {
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lvgl_lock();
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lv_textarea_set_text(ctx->uiNoteText, reinterpret_cast<const char*>(data.get()));
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lv_label_set_text(ctx->uiCurrentFileName, path.c_str());
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lvgl_unlock();
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ctx->filePath = path;
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LOG_I(TAG, "Loaded from %s", path.c_str());
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}
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}
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bool saveFile(Context* ctx, const std::string& path) {
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// We might be writing to SD card, which could share a SPI bus with other devices (display)
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bool result = false;
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{
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file::FileMutexGuard guard(path);
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if (file::writeString(path, ctx->saveBuffer.c_str())) {
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LOG_I(TAG, "Saved to %s", path.c_str());
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ctx->filePath = path;
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result = true;
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}
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}
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return result;
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}
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void appNotesEventCb(lv_event_t* e) {
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auto* ctx = static_cast<Context*>(lv_event_get_user_data(e));
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lv_event_code_t code = lv_event_get_code(e);
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lv_obj_t* obj = lv_event_get_target_obj(e);
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if (code == LV_EVENT_VALUE_CHANGED) {
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if (obj == ctx->uiDropDownMenu) {
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switch (lv_dropdown_get_selected(obj)) {
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case 0: // New
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resetFileContent(ctx);
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break;
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case 1: // Save
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if (!ctx->filePath.empty()) {
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lvgl_lock();
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ctx->saveBuffer = lv_textarea_get_text(ctx->uiNoteText);
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lvgl_unlock();
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saveFile(ctx, ctx->filePath);
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}
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break;
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case 2: // Save as...
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lvgl_lock();
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ctx->saveBuffer = lv_textarea_get_text(ctx->uiNoteText);
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lvgl_unlock();
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ctx->saveFileLaunchId = fileselection::startForExistingOrNewFile(ctx->appInstanceId);
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LOG_I(TAG, "launched with id %u", ctx->saveFileLaunchId);
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break;
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case 3: // Load
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ctx->loadFileLaunchId = fileselection::startForExistingFile(ctx->appInstanceId);
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LOG_I(TAG, "launched with id %u", ctx->loadFileLaunchId);
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break;
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}
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} else {
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auto* cont = lv_event_get_current_target_obj(e);
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if (obj == cont) return;
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if (lv_obj_get_child(cont, 1)) {
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ctx->saveFileLaunchId = fileselection::startForExistingOrNewFile(ctx->appInstanceId);
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LOG_I(TAG, "launched with id %u", ctx->saveFileLaunchId);
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} else { //Reset
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resetFileContent(ctx);
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}
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}
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}
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}
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void createWidgets(lv_obj_t* parent, void* userData) {
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auto* ctx = static_cast<Context*>(userData);
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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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lv_obj_set_style_pad_row(parent, 0, LV_STATE_DEFAULT);
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lv_obj_t* toolbar = lvgl_toolbar_create(parent, "Notes");
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lv_obj_align(toolbar, LV_ALIGN_TOP_MID, 0, 0);
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ctx->uiDropDownMenu = lv_dropdown_create(toolbar);
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lv_dropdown_set_options(ctx->uiDropDownMenu, LV_SYMBOL_FILE " New File\n" LV_SYMBOL_SAVE " Save\n" LV_SYMBOL_SAVE " Save As...\n" LV_SYMBOL_DIRECTORY " Open File");
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lv_dropdown_set_text(ctx->uiDropDownMenu, "Menu");
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lv_dropdown_set_symbol(ctx->uiDropDownMenu, LV_SYMBOL_DOWN);
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lv_dropdown_set_selected_highlight(ctx->uiDropDownMenu, false);
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lv_obj_align(ctx->uiDropDownMenu, LV_ALIGN_RIGHT_MID, 0, 0);
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lv_obj_add_event_cb(ctx->uiDropDownMenu, appNotesEventCb, LV_EVENT_VALUE_CHANGED, ctx);
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lv_obj_t* wrapper = lv_obj_create(parent);
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lv_obj_set_flex_flow(wrapper, LV_FLEX_FLOW_COLUMN);
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lv_obj_set_flex_align(wrapper, LV_FLEX_ALIGN_START, LV_FLEX_ALIGN_START, LV_FLEX_ALIGN_START);
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lv_obj_set_flex_grow(wrapper, 1);
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lv_obj_set_width(wrapper, LV_PCT(100));
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lv_obj_set_height(wrapper, LV_PCT(100));
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lv_obj_set_style_pad_all(wrapper, 0, LV_PART_MAIN);
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lv_obj_set_style_pad_row(wrapper, 0, LV_PART_MAIN);
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lv_obj_set_style_border_width(wrapper, 0, LV_PART_MAIN);
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lv_obj_remove_flag(wrapper, LV_OBJ_FLAG_SCROLLABLE);
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ctx->uiNoteText = lv_textarea_create(wrapper);
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lv_obj_set_width(ctx->uiNoteText, LV_PCT(100));
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lv_obj_set_height(ctx->uiNoteText, LV_PCT(86));
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lv_textarea_set_password_mode(ctx->uiNoteText, false);
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if (lv_display_get_color_format(lv_obj_get_display(parent)) != LV_COLOR_FORMAT_L8) {
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lv_obj_set_style_bg_color(ctx->uiNoteText, lv_color_hex(0x262626), LV_PART_MAIN);
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}
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lv_textarea_set_placeholder_text(ctx->uiNoteText, "Notes...");
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lv_obj_t* footer = lv_obj_create(wrapper);
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lv_obj_set_flex_flow(footer, LV_FLEX_FLOW_ROW);
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lv_obj_set_flex_align(footer, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER);
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if (lv_display_get_color_format(lv_obj_get_display(parent)) == LV_COLOR_FORMAT_L8) {
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lv_obj_set_style_bg_color(footer, lv_color_hex(0xEEEEEE), LV_PART_MAIN);
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lv_obj_set_style_border_width(footer, 1, LV_PART_MAIN);
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lv_obj_set_style_border_color(footer, lv_theme_get_color_secondary(footer), LV_PART_MAIN);
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lv_obj_set_style_border_side(footer, LV_BORDER_SIDE_TOP, LV_PART_MAIN);
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} else {
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lv_obj_set_style_bg_color(footer, lv_color_hex(0x262626), LV_PART_MAIN);
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lv_obj_set_style_border_width(footer, 0, LV_PART_MAIN);
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}
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lv_obj_set_width(footer, LV_PCT(100));
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lv_obj_set_height(footer, LV_PCT(14));
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lv_obj_set_style_pad_all(footer, 0, LV_PART_MAIN);
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lv_obj_remove_flag(footer, LV_OBJ_FLAG_SCROLLABLE);
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ctx->uiCurrentFileName = lv_label_create(footer);
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lv_label_set_long_mode(ctx->uiCurrentFileName, LV_LABEL_LONG_MODE_SCROLL_CIRCULAR);
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lv_obj_set_width(ctx->uiCurrentFileName, LV_SIZE_CONTENT);
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lv_obj_set_height(ctx->uiCurrentFileName, LV_SIZE_CONTENT);
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lv_label_set_text(ctx->uiCurrentFileName, "Untitled");
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lv_obj_align(ctx->uiCurrentFileName, LV_ALIGN_CENTER, 0, 0);
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if (!ctx->filePath.empty()) {
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openFile(ctx, ctx->filePath);
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}
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}
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int32_t appMain(uint32_t appInstanceId, int argc, char* argv[]) {
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Context ctx {};
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ctx.appInstanceId = appInstanceId;
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if (argc > 0 && argv[0][0] != '\0') {
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ctx.filePath = argv[0];
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}
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AppEventSubscription sub {};
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sub.app_instance_id = appInstanceId;
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app_event_subscribe(&sub);
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WindowId window = window_manager_create(appInstanceId, createWidgets, &ctx);
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bool shouldClose = false;
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while (!shouldClose) {
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AppEvent event {};
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if (app_event_await(&sub, &event, portMAX_DELAY) != ERROR_NONE) {
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break;
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}
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switch (event.type) {
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case APP_EVENT_CLOSE:
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shouldClose = true;
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break;
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case APP_EVENT_RESULT:
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LOG_I(TAG, "Result for launch id %u", event.result.launch_id);
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if (event.result.launch_id == ctx.loadFileLaunchId) {
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ctx.loadFileLaunchId = 0;
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if (event.result.result == 0 /* Ok */) {
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auto path = fileselection::getLastPath();
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if (!path.empty()) {
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openFile(&ctx, path);
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}
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}
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} else if (event.result.launch_id == ctx.saveFileLaunchId) {
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ctx.saveFileLaunchId = 0;
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if (event.result.result == 0 /* Ok */) {
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auto path = fileselection::getLastPath();
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// Must re-open file, because the UI was cleared after opening the dialog.
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if (!path.empty() && saveFile(&ctx, path)) {
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openFile(&ctx, path);
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}
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}
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}
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app_manager_stop(event.result.launch_id);
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break;
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default:
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break;
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}
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}
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window_manager_remove(window);
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app_event_unsubscribe(&sub);
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return 0;
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}
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} // namespace
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void start(const std::string& filePath) {
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const char* argv[] = { filePath.c_str() };
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uint32_t instanceId = 0;
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app_manager_start_with_parameters(manifest.id, 1, argv, &instanceId);
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}
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extern const ::AppManifest manifest = {
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.id = "tactility.notes",
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.name = "Notes",
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.category = APP_CATEGORY_USER,
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.location = { APP_LOCATION_MEMORY, reinterpret_cast<void*>(appMain) }
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};
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} // namespace tt::app::notes
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