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			69 lines
		
	
	
	
		
			2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			69 lines
		
	
	
	
		
			2 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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|  * Copyright (c) 2022, the SerenityOS developers.
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|  *
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|  * SPDX-License-Identifier: BSD-2-Clause
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|  */
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| 
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| #pragma once
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| 
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| #include "Calculator.h"
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| #include "Keypad.h"
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| #include <AK/Vector.h>
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| #include <LibCrypto/BigFraction/BigFraction.h>
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| #include <LibGUI/Action.h>
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| #include <LibGUI/Widget.h>
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| 
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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 = default;
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|     String get_entry();
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|     void set_entry(Crypto::BigFraction);
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|     void set_typed_entry(Crypto::BigFraction);
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| 
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|     void shrink(unsigned);
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|     unsigned rounding_length() const;
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|     void set_rounding_length(unsigned);
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| 
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|     void set_rounding_custom(GUI::Action& action, StringView);
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| 
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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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| 
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|     void perform_operation(Calculator::Operation operation);
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|     void update_display();
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| 
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|     virtual void keydown_event(GUI::KeyEvent&) override;
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| 
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|     Calculator m_calculator;
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|     Keypad m_keypad;
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| 
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|     RefPtr<GUI::TextBox> m_entry;
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|     RefPtr<GUI::Label> m_label;
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| 
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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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|     StringView m_format;
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|     RefPtr<GUI::Action> m_rounding_custom;
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| };
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