81 lines
2.3 KiB
C
81 lines
2.3 KiB
C
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#pragma once
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#include <Epub/Page.h>
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#include <freertos/FreeRTOS.h>
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#include <freertos/semphr.h>
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#include <freertos/task.h>
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#include <functional>
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#include <memory>
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#include <string>
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#include <vector>
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#include "../Activity.h"
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class DictionaryWordSelectActivity final : public Activity {
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public:
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explicit DictionaryWordSelectActivity(GfxRenderer& renderer, MappedInputManager& mappedInput,
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std::unique_ptr<Page> page, int fontId, int marginLeft, int marginTop,
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const std::string& cachePath, uint8_t orientation,
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const std::function<void()>& onBack,
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const std::function<void(const std::string&, const std::string&)>& onLookup)
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: Activity("DictionaryWordSelect", renderer, mappedInput),
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page(std::move(page)),
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fontId(fontId),
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marginLeft(marginLeft),
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marginTop(marginTop),
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cachePath(cachePath),
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orientation(orientation),
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onBack(onBack),
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onLookup(onLookup) {}
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void onEnter() override;
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void onExit() override;
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void loop() override;
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private:
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struct WordInfo {
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std::string text;
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std::string lookupText;
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int16_t screenX;
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int16_t screenY;
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int16_t width;
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int16_t row;
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int continuationIndex;
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int continuationOf;
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WordInfo(const std::string& t, int16_t x, int16_t y, int16_t w, int16_t r)
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: text(t), lookupText(t), screenX(x), screenY(y), width(w), row(r), continuationIndex(-1), continuationOf(-1) {}
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};
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struct Row {
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int16_t yPos;
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std::vector<int> wordIndices;
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};
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std::unique_ptr<Page> page;
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int fontId;
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int marginLeft;
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int marginTop;
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std::string cachePath;
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uint8_t orientation;
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const std::function<void()> onBack;
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const std::function<void(const std::string&, const std::string&)> onLookup;
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std::vector<WordInfo> words;
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std::vector<Row> rows;
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int currentRow = 0;
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int currentWordInRow = 0;
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bool updateRequired = false;
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TaskHandle_t displayTaskHandle = nullptr;
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SemaphoreHandle_t renderingMutex = nullptr;
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bool isLandscape() const;
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bool isInverted() const;
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void extractWords();
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void mergeHyphenatedWords();
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void renderScreen();
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void drawHints();
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static void taskTrampoline(void* param);
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[[noreturn]] void displayTaskLoop();
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};
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