119 lines
3.5 KiB
C++
119 lines
3.5 KiB
C++
#pragma once
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#include "WidgetConfig.hpp"
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#include "widgets/Widget.hpp"
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#include "lvgl.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/queue.h"
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#include <array>
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#include <memory>
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class WidgetManager {
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public:
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static WidgetManager& instance();
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// Initialize (load config from SD card)
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void init();
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// Build/rebuild all widgets from current config
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// Call this after loading or when user clicks "Save" in web editor
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void applyConfig();
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// Get current config for web editor (JSON)
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void getConfigJson(char* buf, size_t bufSize) const;
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// Update config from web editor (JSON) - does NOT apply immediately
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bool updateConfigFromJson(const char* json);
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// Save current config to SD card and apply to display
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void saveAndApply();
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// Reset to factory defaults
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void resetToDefaults();
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// Periodic tasks (standby handling)
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void loop();
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// User activity (resets standby timer)
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void onUserActivity();
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// Thread-safe KNX updates (queued to UI thread)
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void onKnxValue(uint16_t groupAddr, float value);
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void onKnxSwitch(uint16_t groupAddr, bool value);
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void onKnxText(uint16_t groupAddr, const char* text);
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// Button action handler
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void handleButtonAction(const WidgetConfig& cfg, lv_obj_t* target);
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void goBack();
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// Direct config access
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GuiConfig& getConfig() { return config_; }
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const GuiConfig& getConfig() const { return config_; }
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private:
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WidgetManager();
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~WidgetManager() = default;
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WidgetManager(const WidgetManager&) = delete;
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WidgetManager& operator=(const WidgetManager&) = delete;
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static constexpr size_t UI_EVENT_QUEUE_LEN = 16;
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static constexpr size_t UI_EVENT_TEXT_LEN = MAX_TEXT_LEN;
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enum class UiEventType : uint8_t {
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KNX_VALUE = 0,
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KNX_SWITCH = 1,
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KNX_TEXT = 2,
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};
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struct UiEvent {
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UiEventType type;
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uint16_t groupAddr;
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float value;
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bool state;
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char text[UI_EVENT_TEXT_LEN];
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};
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void loadFromSdCard();
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void saveToSdCard();
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void destroyAllWidgets();
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void createAllWidgets(const ScreenConfig& screen, lv_obj_t* parent);
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bool enqueueUiEvent(const UiEvent& event);
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void processUiQueue();
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void applyKnxValue(uint16_t groupAddr, float value);
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void applyKnxSwitch(uint16_t groupAddr, bool value);
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void applyKnxText(uint16_t groupAddr, const char* text);
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void createDefaultConfig();
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void applyScreen(uint8_t screenId);
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void showScreen(uint8_t screenId);
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void showModalScreen(const ScreenConfig& screen);
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void closeModal();
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void enterStandby();
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ScreenConfig* activeScreen();
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const ScreenConfig* activeScreen() const;
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static constexpr const char* CONFIG_FILE = "/sdcard/lvgl.json";
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static constexpr int64_t NAV_DELAY_US = 200 * 1000; // 200ms delay for touch release
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GuiConfig config_;
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uint8_t activeScreenId_ = 0;
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uint8_t previousScreenId_ = 0xFF;
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uint8_t standbyReturnScreenId_ = 0xFF;
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uint8_t modalScreenId_ = 0xFF;
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bool standbyActive_ = false;
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bool standbyWakePending_ = false;
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uint8_t standbyWakeTarget_ = 0xFF;
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bool navPending_ = false;
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ButtonAction navAction_ = ButtonAction::KNX;
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uint8_t navTargetScreen_ = 0xFF;
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int64_t navRequestUs_ = 0;
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int64_t lastActivityUs_ = 0;
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// Runtime widget instances (indexed by widget ID)
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std::array<std::unique_ptr<Widget>, MAX_WIDGETS> widgets_;
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lv_obj_t* screen_ = nullptr;
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lv_obj_t* modalContainer_ = nullptr;
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lv_obj_t* modalDimmer_ = nullptr;
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QueueHandle_t uiQueue_ = nullptr;
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};
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