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https://github.com/RGBCube/serenity
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8f552c9979
Calculator now uses the KeypadValue class instead of double in its internal calculations. By not constantly converting to double back-and-forth, we do not use precision simply by, for example, negating a number. This fixes #7484.
56 lines
1.6 KiB
C++
56 lines
1.6 KiB
C++
/*
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* Copyright (c) 2019-2020, Sergey Bugaev <bugaevc@serenityos.org>
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* Copyright (c) 2021, Glenford Williams <gw_dev@outlook.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include "Calculator.h"
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#include "Keypad.h"
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#include "KeypadValue.h"
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#include <AK/Vector.h>
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#include <LibGUI/Widget.h>
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class CalculatorWidget final : public GUI::Widget {
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C_OBJECT(CalculatorWidget)
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public:
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virtual ~CalculatorWidget() override;
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String get_entry();
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void set_entry(KeypadValue);
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private:
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CalculatorWidget();
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void add_operation_button(GUI::Button&, Calculator::Operation);
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void add_digit_button(GUI::Button&, int digit);
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void update_display();
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virtual void keydown_event(GUI::KeyEvent&) override;
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Calculator m_calculator;
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Keypad m_keypad;
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RefPtr<GUI::TextBox> m_entry;
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RefPtr<GUI::Label> m_label;
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RefPtr<GUI::Button> m_digit_button[10];
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RefPtr<GUI::Button> m_mem_add_button;
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RefPtr<GUI::Button> m_mem_save_button;
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RefPtr<GUI::Button> m_mem_recall_button;
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RefPtr<GUI::Button> m_mem_clear_button;
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RefPtr<GUI::Button> m_clear_button;
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RefPtr<GUI::Button> m_clear_error_button;
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RefPtr<GUI::Button> m_backspace_button;
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RefPtr<GUI::Button> m_decimal_point_button;
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RefPtr<GUI::Button> m_sign_button;
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RefPtr<GUI::Button> m_add_button;
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RefPtr<GUI::Button> m_subtract_button;
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RefPtr<GUI::Button> m_multiply_button;
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RefPtr<GUI::Button> m_divide_button;
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RefPtr<GUI::Button> m_sqrt_button;
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RefPtr<GUI::Button> m_inverse_button;
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RefPtr<GUI::Button> m_percent_button;
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RefPtr<GUI::Button> m_equals_button;
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};
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