57 lines
1.2 KiB
C++
57 lines
1.2 KiB
C++
#ifndef DVEREB_PROBLEM_H
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#define DVEREB_PROBLEM_H
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#include <string>
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#include <cstdlib>
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#include <ncurses.h>
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enum PROBLEM_TYPE
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{
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// NOTE(dev): EASY means each digit can be handled without carryover.
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// e.g. 33 + 46 is easy because 3+6 < 10 and 3+4 is < 10.
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// HARD means you might have to carry over.
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// e.g. 33 + 97 is hard because 7 + 3 = 10, carry the 1, 9 + 3 + 1 = 13, 130.
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EASY_ADDITION = 1,
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EASY_SUBTRACTION,
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HARD_ADDITION,
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HARD_SUBTRACTION,
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};
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enum INPUT_STYLE
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{
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INPUT_PREPEND = 1,
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INPUT_APPEND,
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};
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class Problem
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{
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public:
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Problem(PROBLEM_TYPE type, unsigned short max_digits, unsigned win_x, unsigned win_y);
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~Problem();
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void Draw(bool selected, const INPUT_STYLE &input_style);
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void Input(const INPUT_STYLE input_style, char character);
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void ClearInput() { input = ""; }
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bool Correct() const;
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private:
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Problem() = delete;
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static bool seeded;
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PROBLEM_TYPE problem_type;
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WINDOW *win = nullptr;
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unsigned window_x, window_y;
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int number_top;
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int number_bottom;
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int Input() const;
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std::string input;
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// Helper Functions:
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void GenerateNumbers(PROBLEM_TYPE type, unsigned short max_digits);
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void GenerateWindow(unsigned win_x, unsigned win_y);
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};
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#endif
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