46 lines
1.6 KiB
C
46 lines
1.6 KiB
C
|
#pragma once
|
||
|
|
#include <freertos/FreeRTOS.h>
|
||
|
|
#include <freertos/semphr.h>
|
||
|
|
#include <freertos/task.h>
|
||
|
|
|
||
|
|
#include <functional>
|
||
|
|
|
||
|
|
#include "../Activity.h"
|
||
|
|
|
||
|
|
// Enum for dictionary mode selection
|
||
|
|
enum class DictionaryMode { ENTER_WORD, SELECT_FROM_SCREEN };
|
||
|
|
|
||
|
|
/**
|
||
|
|
* DictionaryMenuActivity presents the user with a choice:
|
||
|
|
* - "Enter a Word" - Manually type a word to look up
|
||
|
|
* - "Select from Screen" - Select a word from the current page
|
||
|
|
*
|
||
|
|
* The onModeSelected callback is called with the user's choice.
|
||
|
|
* The onCancel callback is called if the user presses back.
|
||
|
|
*/
|
||
|
|
class DictionaryMenuActivity final : public Activity {
|
||
|
|
TaskHandle_t displayTaskHandle = nullptr;
|
||
|
|
SemaphoreHandle_t renderingMutex = nullptr;
|
||
|
|
int selectedIndex = 0;
|
||
|
|
bool updateRequired = false;
|
||
|
|
const std::function<void(DictionaryMode)> onModeSelected;
|
||
|
|
const std::function<void()> onCancel;
|
||
|
|
const bool wordSelectionAvailable; // True if we can select from screen (e.g., in EPUB reader)
|
||
|
|
|
||
|
|
static void taskTrampoline(void* param);
|
||
|
|
[[noreturn]] void displayTaskLoop();
|
||
|
|
void render() const;
|
||
|
|
|
||
|
|
public:
|
||
|
|
explicit DictionaryMenuActivity(GfxRenderer& renderer, MappedInputManager& mappedInput,
|
||
|
|
const std::function<void(DictionaryMode)>& onModeSelected,
|
||
|
|
const std::function<void()>& onCancel, bool wordSelectionAvailable = true)
|
||
|
|
: Activity("DictionaryMenu", renderer, mappedInput),
|
||
|
|
onModeSelected(onModeSelected),
|
||
|
|
onCancel(onCancel),
|
||
|
|
wordSelectionAvailable(wordSelectionAvailable) {}
|
||
|
|
void onEnter() override;
|
||
|
|
void onExit() override;
|
||
|
|
void loop() override;
|
||
|
|
};
|