1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
/*
* Copyright (c) 2019-2020, Sergey Bugaev <bugaevc@serenityos.org>
* Copyright (c) 2021 Glenford Williams <gw_dev@outlook.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "Calculator.h"
#include "Keypad.h"
#include <AK/Vector.h>
#include <LibGUI/Widget.h>
class CalculatorWidget final : public GUI::Widget {
C_OBJECT(CalculatorWidget)
public:
virtual ~CalculatorWidget() override;
String get_entry();
void set_entry(double);
private:
CalculatorWidget();
void add_operation_button(GUI::Button&, Calculator::Operation);
void add_digit_button(GUI::Button&, int digit);
void update_display();
virtual void keydown_event(GUI::KeyEvent&) override;
Calculator m_calculator;
Keypad m_keypad;
RefPtr<GUI::TextBox> m_entry;
RefPtr<GUI::Label> m_label;
RefPtr<GUI::Button> m_digit_button[10];
RefPtr<GUI::Button> m_mem_add_button;
RefPtr<GUI::Button> m_mem_save_button;
RefPtr<GUI::Button> m_mem_recall_button;
RefPtr<GUI::Button> m_mem_clear_button;
RefPtr<GUI::Button> m_clear_button;
RefPtr<GUI::Button> m_clear_error_button;
RefPtr<GUI::Button> m_backspace_button;
RefPtr<GUI::Button> m_decimal_point_button;
RefPtr<GUI::Button> m_sign_button;
RefPtr<GUI::Button> m_add_button;
RefPtr<GUI::Button> m_subtract_button;
RefPtr<GUI::Button> m_multiply_button;
RefPtr<GUI::Button> m_divide_button;
RefPtr<GUI::Button> m_sqrt_button;
RefPtr<GUI::Button> m_inverse_button;
RefPtr<GUI::Button> m_percent_button;
RefPtr<GUI::Button> m_equals_button;
};
|