Ken Van Hoeylandt
b39bd6b6f5
- Simplified app registration with a C++ wrapper for the TactilityC. - Rename the various app classes from `Application` to more specific names like `Calculator` etc.
28 lines
674 B
C++
28 lines
674 B
C++
#pragma once
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#include "tt_app.h"
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#include <lvgl.h>
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#include <deque>
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#include <Str.h>
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#include <TactilityCpp/App.h>
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class Calculator final : public App {
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lv_obj_t* displayLabel;
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lv_obj_t* resultLabel;
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char formulaBuffer[128] = {0}; // Stores the full input expression
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bool newInput = true;
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static void button_event_cb(lv_event_t* e);
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void handleInput(const char* txt);
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void evaluateExpression();
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double computeFormula();
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static std::deque<Str> infixToRPN(const Str& infix);
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static double evaluateRPN(std::deque<Str> rpnQueue);
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void resetCalculator();
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public:
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void onShow(AppHandle context, lv_obj_t* parent) override;
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}; |